At the A1 level, you should focus on the basic meaning of '熟' (shú), which means 'cooked' or 'ripe.' '熟透' (shútòu) is a slightly more advanced version that you might hear when buying fruit. Think of it as 'very ripe' or 'very cooked.' For example, if you see a red apple, it is '熟了' (shú le). If it is very soft and sweet, it is '熟透了' (shútòu le). At this stage, just remember that '熟' is for food and '透' makes it 'extra' or 'completely.' You will mostly use this word when talking about what you want to eat or when you are at a market. It is a helpful word to know so you don't eat raw meat or sour fruit!
As an A2 learner, you can start using '熟透' (shútòu) to describe the result of an action. In Chinese, we often add a second word after a verb to show the result. Here, '透' (tòu) is the result of '熟' (ripening/cooking). You should be able to use the pattern 'Subject + 已经 + 熟透了' to describe fruit like bananas, mangoes, or watermelons. You can also use it in the kitchen to ensure food safety, like saying '肉熟透了吗?' (Is the meat cooked through?). This level requires you to distinguish between '熟' (done) and '熟透' (completely done/ripe). It helps you be more specific in your descriptions of food and nature.
At the B1 level, you should understand that '熟透' (shútòu) is not just about being 'very' ripe, but about reaching a specific peak state. You will encounter this word in more descriptive texts, like stories or blog posts about travel and food. You should also start noticing how it can modify nouns using '的' (de), such as '熟透的桃子' (thoroughly ripe peaches). You might also see it used in slightly more abstract ways, like describing a '熟透的夏天' (a summer at its peak). At this stage, you should be able to explain the difference between '熟透' and '成熟' (chéngshú), knowing that '成熟' is better for people's maturity, while '熟透' is for physical objects.
By B2, you should be comfortable with the metaphorical and literary uses of '熟透' (shútòu). It often appears in literature to create a sense of 'fullness' or 'heaviness.' For example, an author might describe a person's face as '熟透的红苹果' to suggest a deep, healthy blush or a sunburn. You should also understand the 'Verb + 透' grammar structure more broadly (e.g., 望透, 恨透, 湿透) and see how '熟透' fits into this pattern of 'completeness' or 'extremity.' You can use '熟透' in more complex sentences involving '把' structures, like '要把肉煮到熟透为止' (You must boil the meat until it is thoroughly cooked).
At the C1 level, you should appreciate the sensory nuances '熟透' (shútòu) brings to a sentence. It evokes not just a state of being, but a smell, a texture, and a color. In formal writing or classical-style modern prose, '熟透' might be used to describe a historical period or a plan that is 'ripe for the taking.' You should also be aware of regional variations; in some dialects, '熟' and '透' might be used in different combinations to express similar ideas. You should be able to use '熟透' to critique food or art, discussing the 'timing' (火候) of a dish or the 'ripeness' of a theme in a novel. Your usage should be precise and evocative.
For C2 learners, '熟透' (shútòu) is a tool for poetic precision. You understand its role in the cycle of life—the peak of ripeness that immediately precedes decay. You can use it in high-level discussions about aesthetics, perhaps comparing the '熟透' beauty of late-period Tang poetry to the 'fresh' (清爽) style of earlier works. You are also aware of the word's potential for irony or sarcasm in social contexts. You can effortlessly switch between its literal culinary meaning and its most abstract literary applications, ensuring that the word perfectly fits the 'register' and 'tone' of your discourse, whether it's a scientific report on agriculture or a lyrical essay on the passing of time.

熟透 30초 만에

  • Used to describe fruit that is at its peak of ripeness and sweetness.
  • Used to describe meat or vegetables that are cooked completely through to the center.
  • Often used with the particle '了' to show a change to a finished state.
  • Can be used metaphorically for deep colors or a state of peak readiness.

The Chinese term 熟透 (shútòu) is a powerful compound adjective and resultative verb construction that conveys the absolute peak of readiness, whether in nature or in the kitchen. Etymologically, it combines 熟 (shú), meaning cooked, ripe, or familiar, with 透 (tòu), which signifies 'through,' 'thoroughly,' or 'to the core.' Together, they describe a state where the process of ripening or cooking has reached its maximum intended point, often just before the stage of over-ripeness or over-cooking begins.

Literal Ripeness
In the context of agriculture and fruit, 熟透 describes produce that has reached its sweetest, softest, and most fragrant state. A peach that is 熟透 will practically melt in your mouth, and its skin will peel away with minimal effort. It implies that the natural sugars have fully developed.

西瓜已经熟透了,切开后红通通的,汁水很多。(The watermelon is thoroughly ripe; once cut open, it is bright red and very juicy.)

Culinary Perfection
When cooking meat or vegetables, 熟透 means the item is cooked all the way through to the center. For example, in Chinese food safety culture, pork and poultry must be 熟透 to ensure they are safe to eat. Unlike a medium-rare steak (which is not 熟透), a braised pork belly must be 熟透 to achieve its signature tender texture.

Beyond the physical, 熟透 can occasionally be used metaphorically in literature to describe a person's appearance—particularly a 'sunburned' or 'blushed' look where the skin appears deeply red, much like a ripe fruit. It can also describe a situation or a plan that has been considered so thoroughly that it is ready for immediate execution. However, its primary home remains in the realm of the senses: taste, touch, and smell.

这种梨子要等熟透了才好吃,否则会很涩。(This kind of pear needs to be thoroughly ripe to be tasty; otherwise, it will be very astringent.)

Metaphorical Maturity
In some literary contexts, you might hear of a '熟透的季节' (a fully ripe season), referring to late autumn when everything is ready for harvest. It evokes a sense of abundance, heaviness, and the inevitable transition into winter. It is the peak before the decline.

肉一定要煮到熟透,以免生病。(The meat must be cooked until thoroughly done to avoid getting sick.)

她的脸蛋红得像个熟透的苹果。(Her cheeks were as red as a thoroughly ripe apple.)

Using 熟透 correctly requires understanding its role as an adjective that often functions as a complement of result. In Chinese grammar, the structure 'Verb + 透' indicates that an action has permeated through the object or reached an extreme degree. For 熟透, it can either stand alone as an adjective or follow a verb like 煮 (zhǔ - to boil) or 烤 (kǎo - to roast) to show the state of the food.

As a Predicate Adjective
The most common way to use it is with the particle '了' (le) to indicate a change of state. Structure: [Subject] + [Adverb of Degree] + 熟透了. For example: '这些葡萄已经熟透了' (These grapes are already thoroughly ripe).

园子里的柿子都熟透了,挂在树上像红灯笼。(The persimmons in the garden are all thoroughly ripe, hanging on the trees like red lanterns.)

Modifying a Noun
You can use it as an attributive adjective by adding '的' (de). Structure: 熟透的 + [Noun]. Example: '熟透的香蕉最适合做香蕉蛋糕' (Thoroughly ripe bananas are best for making banana cake).

请把这块牛排煎到熟透,我不喜欢看到血丝。(Please sear this steak until it is thoroughly cooked; I don't like to see any blood.)

Verb-Complement Structure
Sometimes 熟透 is used after a specific cooking verb to emphasize the method. For instance, '炖熟透' (stewed until thoroughly soft/cooked) or '蒸熟透' (steamed until thoroughly cooked).

土豆要煮到熟透,才能做成土豆泥。(Potatoes need to be boiled until thoroughly cooked before they can be made into mashed potatoes.)

这些番茄已经熟透了,轻轻一捏就会破。(These tomatoes are already thoroughly ripe; they will break with a gentle squeeze.)

The term 熟透 is a staple in everyday life in Chinese-speaking regions. You will encounter it most frequently in four specific environments: the traditional wet market (菜市场), the home kitchen (厨房), during agricultural tourism (采摘园), and in descriptive literature or food blogging.

At the Wet Market
When you are picking out fruit, a vendor might say, '这个瓜熟透了,保甜!' (This melon is thoroughly ripe, guaranteed sweet!). Conversely, if you want something that will last a few days, you might say, '我不要熟透的,要硬一点的' (I don't want the thoroughly ripe ones, I want firmer ones).

老板,这批芒果是不是都熟透了?(Boss, are all these mangoes thoroughly ripe?)

In the Kitchen
Parents often warn children about food safety. You'll hear: '肉没熟透不能吃' (You can't eat meat that isn't cooked through). In recipes, you'll see instructions like '炖至肉质熟透烂软' (Stew until the meat is thoroughly cooked and tender).

这种厚切猪排必须小火慢煎才能确保内部熟透。(This thick-cut pork chop must be seared slowly over low heat to ensure the inside is thoroughly cooked.)

In Nature and Poetry
In autumn, travel guides might describe the '熟透的红叶' (thoroughly red leaves) or '熟透的麦田' (thoroughly ripe wheat fields). It creates a vivid sensory image of deep colors and harvest readiness.

秋天到了,漫山遍野都是熟透的果实。(Autumn has arrived, and the mountains and plains are filled with thoroughly ripe fruit.)

阳光把他的皮肤晒成了熟透的古铜色。(The sun tanned his skin to a thoroughly ripe bronze color.)

While 熟透 seems straightforward, learners often make subtle errors in degree, context, and grammar. The most frequent mistake is using it for people in a way that sounds like they are 'cooked' rather than 'mature.'

Mistake 1: Confusing with 成熟 (Chéngshú)
If you want to say a person is mature, you must use 成熟. Saying a person is '熟透了' usually implies they are physically over-ripe, sunburned, or it might even carry a slightly suggestive or mocking tone depending on the context. Never use 熟透 for a person's personality.

Incorrect: 他是一个熟透的男人。 (He is a thoroughly ripe man.)
Correct: 他是一个成熟的男人。 (He is a mature man.)

Mistake 2: Redundancy with '了'
Because 熟透 already implies a completed state, some learners omit the '了' when it is needed to show a change. However, when describing a fruit that has *become* ripe, '熟透了' is almost always required. Without '了', it sounds like a static property rather than a result.
Mistake 3: Misapplying to Non-Organic Items
You cannot use 熟透 for machines, technology, or skills. For skills, we use '娴熟' (xiánshú) or '精通' (jīngtōng). For a plan that is ready, we use '成熟的计划'. 熟透 is strictly for things that can be physically cooked or naturally ripen.

Incorrect: 我的汉语熟透了。 (My Chinese is thoroughly ripe.)
Correct: 我的汉语很流利。 (My Chinese is very fluent.)

Incorrect: 鸡蛋还没熟透,还是生的。 (The egg isn't thoroughly ripe yet; it's still raw.)
*Note: While 'ripe' is wrong in English, in Chinese 熟 is used for both. The error here is usually in the English translation mindset.*

To truly master 熟透, you must see how it sits alongside its linguistic cousins. Depending on whether you are talking about a steak, a banana, or a person, the word you choose will change significantly.

熟透 vs. 成熟 (Chéngshú)
Mature/Ripe: 成熟 is the broad term for 'ripe' or 'mature.' It can be used for fruit, people, and ideas. 熟透 is a subset of 成熟 that specifically emphasizes the *finality* and *physicality* of the state. You can have a '成熟的考虑' (mature consideration), but not a '熟透的考虑'.
熟透 vs. 煮烂 (Zhǔlàn)
Cooked Through vs. Cooked to Mush: 熟透 means perfectly cooked through. 煮烂 means cooked until it falls apart or becomes mushy. Sometimes you want things 煮烂 (like congee or stewed beef), but 熟透 is the prerequisite.

Comparison: 这块肉已经熟透了 (This meat is cooked through) vs. 这块肉已经煮烂了 (This meat is cooked to pieces/very soft).

熟透 vs. 烂熟 (Lànshú)
Thoroughly Ripe vs. Overripe/Over-familiar: 烂熟 often implies something is *too* ripe (rotting) or, metaphorically, that you know something so well it's effortless (e.g., 烂熟于心 - to know by heart).

Alternative: 如果果实还没熟透,你可以放几天再吃。(If the fruit isn't thoroughly ripe, you can leave it for a few days before eating.)

Alternative: 这道菜讲究火候,刚好熟透时口感最好。(This dish is about timing; it tastes best exactly when it is thoroughly cooked.)

수준별 예문

1

这个苹果熟透了。

This apple is thoroughly ripe.

Subject + Adjective + 了 (Change of state).

2

香蕉熟透了吗?

Is the banana thoroughly ripe?

Question with 吗.

3

我不喜欢熟透的梨。

I don't like thoroughly ripe pears.

熟透 + 的 + Noun.

4

肉已经熟透了。

The meat is already thoroughly cooked.

已经...了 indicates completion.

5

西瓜红了,熟透了。

The watermelon is red and thoroughly ripe.

Parallel adjectives.

6

这些葡萄熟透了,很甜。

These grapes are thoroughly ripe and very sweet.

Describing taste.

7

要把鸡蛋煮到熟透。

The egg needs to be boiled until thoroughly cooked.

把 structure with result.

8

草莓熟透了,是红色的。

The strawberries are thoroughly ripe; they are red.

Simple descriptive sentence.

1

超市里的芒果都熟透了。

The mangoes in the supermarket are all thoroughly ripe.

都 (all) emphasizes the set.

2

如果肉没熟透,你可能会生病。

If the meat isn't thoroughly cooked, you might get sick.

If... (如果) conditional.

3

这种桃子熟透了以后非常好吃。

This kind of peach is very delicious after it's thoroughly ripe.

...以后 (after) structure.

4

请帮我挑几个熟透的番茄。

Please help me pick a few thoroughly ripe tomatoes.

Imperative with 请.

5

这些香蕉熟透了,可以做蛋糕。

These bananas are thoroughly ripe; they can be used to make cake.

Can (可以) for possibility.

6

这锅牛肉还没熟透,再炖一会儿。

This pot of beef isn't thoroughly cooked yet; stew it a bit longer.

还没... (not yet).

7

熟透的柿子像红灯笼一样。

Thoroughly ripe persimmons are like red lanterns.

Simile using 像...一样.

8

这种鱼肉很快就会熟透。

This fish meat will be thoroughly cooked very quickly.

Future intent with 就会.

1

由于天气热,水果很快就熟透了。

Due to the hot weather, the fruit ripened thoroughly very quickly.

由于 (due to) showing cause.

2

他把牛排煎得熟透,因为他不习惯吃生的。

He seared the steak until thoroughly cooked because he's not used to eating it raw.

Complement of degree (得).

3

森林里到处都是熟透了的野果。

The forest is full of thoroughly ripe wild berries everywhere.

到处都是 (everywhere is).

4

这种酒是用熟透的葡萄酿造的。

This wine is brewed from thoroughly ripe grapes.

Passive-like structure 是...的.

5

虽然西红柿熟透了,但还没有坏。

Although the tomatoes are thoroughly ripe, they haven't gone bad yet.

虽然...但... (although... but...).

6

在这个熟透的季节,农民们忙着收割。

In this thoroughly ripe season, farmers are busy harvesting.

Metaphorical use of 'season'.

7

你要确保鸡肉内部已经熟透。

You need to ensure the inside of the chicken is thoroughly cooked.

确保 (ensure) followed by a clause.

8

她脸红得像个熟透的大苹果,显得很害羞。

Her face was as red as a thoroughly ripe apple, looking very shy.

Descriptive complement with 得.

1

这种水果如果不是熟透了摘下来,味道会大打折扣。

If this fruit isn't picked when thoroughly ripe, the flavor will be greatly diminished.

Double negative / conditional.

2

阳光穿过窗户,照在桌上那盘熟透的桃子上。

Sunlight streamed through the window, shining on the plate of thoroughly ripe peaches on the table.

Complex descriptive sentence.

3

等时机熟透了,我们再采取行动也不迟。

It won't be too late to take action once the timing is thoroughly ripe.

Metaphorical use for 'timing'.

4

厨师强调,猪肉必须煮到熟透才能保证卫生。

The chef emphasized that pork must be cooked until thoroughly done to guarantee hygiene.

Emphasis with 强调.

5

那满树熟透的杏子,诱惑着路过的行人。

The tree full of thoroughly ripe apricots tempted the passing pedestrians.

Noun phrase as subject.

6

他那张熟透了的紫红色的脸,显示出他经常在户外工作。

His thoroughly 'ripe' (deeply tanned/weathered) purplish-red face showed that he often worked outdoors.

Descriptive use for skin tone.

7

这些香蕉已经熟透到开始出现黑点的程度了。

These bananas have ripened to the point where black spots are starting to appear.

...到...的程度 (to the extent of).

8

在熟透的麦浪中,我感受到了丰收的喜悦。

Among the thoroughly ripe waves of wheat, I felt the joy of harvest.

Prepositional phrase (在...中).

1

这种葡萄在熟透的瞬间,甜度会达到巅峰。

At the exact moment these grapes become thoroughly ripe, their sweetness reaches its peak.

Precise time marker (在...的瞬间).

2

由于缺乏经验,他没能判断出果实是否已经熟透。

Due to a lack of experience, he was unable to judge whether the fruit was already thoroughly ripe.

Whether... (是否) structure.

3

晚霞映红了他的脸庞,宛如一个熟透的石榴。

The sunset glow reddened his face, just like a thoroughly ripe pomegranate.

Literary simile with 宛如.

4

这种古老的酿酒技术,非得用熟透的浆果不可。

This ancient winemaking technique absolutely must use thoroughly ripe berries.

Double negative for necessity (非得...不可).

5

在文学作品中,熟透的果实往往象征着繁荣与终结。

In literary works, thoroughly ripe fruit often symbolizes prosperity and the end.

Symbolic analysis.

6

这块牛排被厨师处理得恰到好处,既熟透了又保持了肉汁。

This steak was handled perfectly by the chef; it was thoroughly cooked yet retained its juices.

Both... and... (既...又...).

7

他那熟透了的思绪,终于在这一刻凝结成了文字。

His thoroughly matured thoughts finally coalesced into words at this moment.

Abstract metaphorical use.

8

这种梨如果熟透了,果肉会变得像奶油一样细腻。

If this pear is thoroughly ripe, the flesh becomes as delicate as cream.

Comparison and conditional.

1

在那片熟透了的红土地上,孕育着一代又一代勤劳的人民。

On that thoroughly 'ripe' (rich/mature) red soil, generations of industrious people have been nurtured.

Poetic personification of land.

2

果园里弥漫着一种熟透了的、近乎发酵的浓郁香气。

The orchard was filled with a thoroughly ripe, almost fermented, thick fragrance.

Complex sensory description.

3

他笔下的秋天,并非凋零,而是一种熟透了的生命力的迸发。

The autumn in his writing is not about withering, but a burst of thoroughly ripe vitality.

Not... but... (并非...而是...).

4

当社会秩序熟透到一定程度,变革往往会悄然发生。

When social order matures (ripens) to a certain degree, change often occurs quietly.

High-level sociological metaphor.

5

那熟透的夕阳,沉甸甸地挂在天边,仿佛随时会坠落。

That thoroughly ripe sunset hung heavily in the sky, as if it might fall at any moment.

Metaphorical use for the sun.

6

他的演技已臻熟透之境,每一个眼神都充满了戏。

His acting skills have reached a state of thorough maturity; every glance is full of drama.

Abstract mastery (已臻...之境).

7

在这部电影中,熟透的红色调暗示着一种压抑的情感即将爆发。

In this film, the thoroughly ripe red tones hint at a suppressed emotion about to explode.

Artistic analysis.

8

那种熟透了的世故,让他在这场复杂的博弈中游刃有余。

That thoroughly matured (ripe) sophistication allowed him to navigate this complex game with ease.

Abstract sophistication metaphor.

자주 쓰는 조합

熟透的香蕉
煮到熟透
完全熟透
还没熟透
熟透了的红脸
熟透的季节
煎得熟透
熟透的气味
熟透的麦田
确保熟透

자주 쓰는 구문

熟透了

— Already thoroughly ripe or cooked.

苹果已经熟透了。

熟透的果子

— Thoroughly ripe fruit.

熟透的果子容易掉下来。

没熟透

— Not thoroughly ripe or cooked.

这块肉还没熟透,不能吃。

煮得熟透

— Cooked until thoroughly done.

这道菜要煮得熟透才好吃。

熟透的颜色

— The color of complete ripeness (usually deep red/yellow).

柿子呈现出熟透的颜色。

熟透的桃子

— Thoroughly ripe peaches.

我最爱吃熟透的桃子。

让它熟透

— To let it ripen thoroughly.

把香蕉放几天,让它熟透。

熟透的西瓜
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