A1 Collocation 中性

鍵を開ける

kagi o akeru

Unlock the door

Phrase in 30 Seconds

Use {鍵を開ける|かぎをあける} to describe the action of using a key to unlock a door or container.

  • Means: To use a key to unlock something.
  • Used in: Arriving home, opening a locker, or unlocking a car.
  • Don't confuse: {鍵をかける|かぎをかける} which means to lock.
Key 🔑 + Door 🚪 = Entry ✅

Explanation at your level:

This phrase means to use a key to open a door. It is very common in daily life when you come home.
You use this phrase when you have a key and want to enter a locked room or building. It is a simple object-verb structure.
This collocation is used to describe the physical act of unlocking. It is distinct from simply opening a door, as it implies the removal of a security barrier.
The phrase functions as a standard transitive construction. While literal, it is frequently used in professional contexts regarding building security or property management.
Beyond its literal application, the phrase is often employed in metaphorical contexts to describe the unlocking of potential or the resolution of complex problems, reflecting a shift from physical to abstract agency.
From a cognitive linguistics perspective, the phrase maps the source domain of physical security onto the target domain of accessibility. It signifies the transition from a state of containment to one of openness, often used in rhetoric to denote the initiation of a new phase.

意思

To open a locked door with a key.

🌍

文化背景

Japanese keys are often small and flat. The act of unlocking is a quiet, precise motion. Many cultures now use keypads, but the phrase remains standard.

💡

Practice

Say it out loud when you unlock your front door.

意思

To open a locked door with a key.

💡

Practice

Say it out loud when you unlock your front door.

自我测试

Fill in the correct verb.

ドアの＿＿＿＿。

✓ 正确！ ✗ 不太对。 正确答案： 鍵を開ける

You use a key to open a door.

🎉 得分： /1

视觉学习工具

常见问题

1 个问题

No, it is neutral.

相关表达

🔗

鍵をかける

contrast

To lock

🔗

ドアを開ける

similar

To open a door

在哪里用

🏠

Coming home

Me: ただいま。鍵を開けるね。

neutral
🤝

Helping a friend

Friend: 鍵を開けてくれる？

informal

Memorize It

Mnemonic

Imagine a giant key (Kagi) turning in a lock, and the door 'A-keru' (opens) wide.

Visual Association

A bright, golden key sliding into a dark lock, followed by a door swinging open to reveal a sunny garden.

Rhyme

Kagi o akeru, the door is now open for you.

Story

Kenji arrives home late. He reaches into his pocket. He finds his key. He puts it in the lock. He turns it. He says, '鍵を開ける' (I'm unlocking it).

Word Web

鍵 (Key)ドア (Door)開ける (Open)閉める (Close)鍵をかける (Lock)玄関 (Entrance)

挑战

Practice saying the phrase every time you unlock a door for one week.

In Other Languages

Spanish high

Abrir la cerradura

Japanese explicitly mentions the key (kagi).

French high

Ouvrir à clé

Japanese uses the key as a direct object.

German moderate

Aufschließen

Japanese uses a two-word collocation.

Japanese self

鍵を開ける

N/A

Arabic moderate

فتح الباب بالمفتاح

Japanese is more concise.

Easily Confused

鍵を開ける 对比 鍵をかける

Learners mix up 'open' and 'lock'.

Remember 'akeru' is open, 'kakeru' is lock.

常见问题 (1)

No, it is neutral.

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