借りる

The Japanese verb 借りる (kariru) is a fundamental Ichidan verb that primarily translates to 'to borrow' or 'to rent' in English. At its core, it describes the action of receiving something from someone else with the explicit intention of returning it later. Unlike English, which often distinguishes between 'borrowing' (usually free, between friends) and 'renting' (paying a fee), Japanese uses kariru for both scenarios, though context or specific nouns like apāto (apartment) clarify the financial aspect. Understanding kariru requires a grasp of the direction of the action; it is a 'receiving' verb where the subject is the beneficiary of the temporary transfer of an item or service.

Etymological Root

The kanji 借 (shaku/kari) consists of the 'person' radical (亻) and the phonetic component 'shaku' (昔), which originally related to the idea of 'old' or 'past,' suggesting a transaction that leaves a trace or a debt to be settled. In ancient Japanese, the concept was deeply tied to social obligations and the communal sharing of resources.

In a social context, kariru implies a temporary shift in possession. Whether you are borrowing a stapler from a colleague or renting a car for a weekend trip, the verb remains the same. This linguistic efficiency highlights the Japanese focus on the state of 'temporary possession' rather than the specific financial contract involved. However, when money is involved in a professional sense, you might see the word rentaru (rental) or rīsu (lease), but kariru remains the most natural spoken choice for daily interactions.

Directionality

The person you borrow from is marked with the particle に (ni) or から (kara). For example: 'Tanaka-san ni hon o kariru' (Borrow a book from Mr. Tanaka).

Furthermore, kariru can be used metaphorically. One can 'borrow' someone's wisdom (chie o kariru) or 'borrow' someone's hand (te o kariru), which means to ask for help. This figurative usage is extremely common in polite Japanese society, where asking for assistance is framed as a temporary borrowing of the other person's time or energy, emphasizing the debt of gratitude (kari) that is created in the process.

Social Nuance

In Japan, borrowing creates a 'kari' (debt). Even if it's just a pen, there is a social expectation to return it promptly with a 'thank you' (arigatō) to maintain harmony (wa).

Using 借りる (kariru) correctly involves understanding its conjugation as an Ichidan verb and its relationship with Japanese particles. Since it is an Ichidan verb (verbs ending in -iru or -eru), the stem is formed by simply removing the final -ru. This makes it one of the easiest verbs to conjugate in the Japanese language. Whether you are speaking formally or informally, the structure remains consistent and predictable.

Conjugation Table

• Polite Present: 借ります (karimasu)
• Plain Negative: 借りない (karinai)
• Te-form: 借りて (karite)
• Past: 借りた (karita)
• Potential: 借りられる (karirareru)

The grammatical structure for kariru usually follows this pattern: [Source] に/から [Object] を 借りる. The source (the person or institution you are borrowing from) is marked with ni or kara. While they are often interchangeable, kara emphasizes the origin or the 'from' aspect, whereas ni is more common for individuals. For example, when borrowing from a bank, ginkō kara is very natural. When borrowing from a teacher, sensei ni is standard.

One of the most important distinctions to make is between kariru and its counterpart 貸す (kasu), which means 'to lend.' Japanese learners frequently mix these up because the English words 'borrow' and 'lend' are often confused as well. Remember: Kariru is 'to get' (inward motion), and Kasu is 'to give' (outward motion). If you are the one receiving the item, you are kariru-ing.

Honorific Usage

In formal situations, you should use the humble form お借りする (o-kari suru) to show respect to the person you are borrowing from. For example: 'O-kari shite mo yoroshii desu ka?' (May I borrow this? - very polite).

Additionally, when you borrow something and then return it, the action of returning is 返す (kaesu). A common phrase in Japanese culture is to say 'Kari o kaesu' (to pay back a debt/favor). This highlights the cyclical nature of kariru; it is never a permanent acquisition. If you borrow a room (renting), you are heya o kariru. If you borrow a DVD from a shop (renting), you are DVD o kariru. The verb covers the entire spectrum of temporary use.

The verb 借りる (kariru) is ubiquitous in Japanese daily life, appearing in various settings from casual social gatherings to formal business transactions. In a university or school setting, you will constantly hear students asking to borrow stationery or notes. In a city environment, you'll see signs for renta-kā (rental cars) or chintai (rental housing) where kariru is the underlying action. Understanding where you'll encounter this word helps in recognizing the social scripts associated with it.

At the Library

Libraries are the most common place for kariru. You will hear staff say 'Nan-satsu karimasu ka?' (How many books are you borrowing?) or see signs like 'Kari-dashi' (Lending/Checking out).

In the context of real estate, kariru is the standard verb for renting an apartment. While the formal term is chintai, in conversation, people say 'Heya o kariru' or 'Apāto o kariru.' This is a major life event in Japan, involving 'reikin' (key money) and 'shikikin' (deposit). When discussing these topics with friends or agents, kariru will be the primary verb used to describe the act of leasing a space.

Business settings also frequently employ kariru, particularly in the phrase 知恵を借りる (chie o kariru). If a team is stuck on a project, a manager might say, 'Tanaka-san no chie o karimashō' (Let's borrow Mr. Tanaka's wisdom/ideas). This is a polite way of asking for consultation. Similarly, 胸を借りる (mune o kariru) is a unique expression used when a lower-ranked person asks a higher-ranked person for a practice match or training, literally 'borrowing their chest' to lean on or test oneself against.

Financial Context

Banks and loan services use kariru in their marketing. 'Okane o kariru' (borrowing money) is the standard phrase for taking out a loan, whether it's a mortgage (rōn) or a small personal loan.

Finally, you will hear it in the service industry. If you go to a high-end restaurant and need to use the restroom, you might say 'O-tearai o o-kari shite mo yoroshii desu ka?' (May I use [borrow] the restroom?). This polite use of kariru treats the use of a facility as a temporary borrowing, which is a hallmark of Japanese 'omotenashi' (hospitality) and 'keigo' (honorific language).

Learning 借りる (kariru) presents several pitfalls for English speakers and other language learners. The most frequent error is the confusion between 'borrowing' and 'lending.' In English, some dialects use 'borrow' to mean 'lend' (e.g., 'Can you borrow me five dollars?'), but in Japanese, the distinction is rigid. Kariru is strictly for the person receiving the item. If you are the one giving the item, you must use kasu.

Mistake 1: Mixing up Kariru and Kasu

Incorrect: 友達にペンを借りました (when you gave the pen). Correct: 友達にペンを貸しました. Remember: Kariru = Get, Kasu = Give.

Another common mistake involves the particle usage. Many learners use を (o) for the person they are borrowing from, influenced by the English 'I borrowed him a book' (which is also non-standard in many English dialects). In Japanese, the person is always に (ni) or から (kara). Using o would imply you are borrowing the person themselves, which is usually not the intended meaning!

Confusion also arises with the verb 借りられる (karirareru). Because kariru is an Ichidan verb, its potential form ('can borrow') and its passive form ('is borrowed') are identical: karirareru. Context is the only way to distinguish between 'I can borrow this' and 'This was borrowed by someone.' Beginners often struggle with this overlap, but in practice, the potential meaning is much more common.

Mistake 2: Using Kariru for 'Using'

In English, we say 'Can I borrow your bathroom?' In Japanese, while 'O-tearai o o-kari shite mo ii desu ka' is polite, using 'tsukau' (to use) is often more direct. However, never use kariru for things you don't return, like 'borrowing' a tissue (use morau - to receive).

Lastly, learners often forget the 'te-form' nuances. When you borrow something and are currently in possession of it, you use 借りている (karite iru). If you just say kariru, it implies the future action of borrowing. If you want to say 'I have his book (right now),' you must say 'Kare no hon o karite imasu.' This distinction between the act of borrowing and the state of having borrowed is crucial for accurate communication.

While 借りる (kariru) is the most versatile word for borrowing or renting, Japanese has several synonyms and related terms that are used in more specific contexts. Understanding these nuances will help you sound more natural and precise. The primary distinction usually lies in whether the transaction is casual, commercial, or involves specific types of property like land or large equipment.

Comparison: Kariru vs. Rentaru

Kariru is the general verb. Rentaru (レンタル) is a katakana noun/verb used specifically for commercial services (DVDs, cars, costumes). You 'kariru' from a 'rentaru' shop.

Another important word is 賃貸 (chintai). This is a formal noun used in real estate. While you 'kariru' an apartment, the contract itself is a 'chintai' contract. You will see this on signs outside real estate agencies (fudōsan-ya). If you are talking about the legal act of leasing, chintai or shakuyaku (borrowing and using) might be used in written documents, but kariru remains the spoken preference.

For borrowing money specifically, you might encounter 借金する (shakkin suru). While 'okane o kariru' is a neutral way to say borrow money, 'shakkin suru' often carries a slightly more negative or heavy connotation, implying 'to fall into debt.' If you are talking about a formal loan from a bank, 融資を受ける (yūshi o ukeru) - 'to receive financing' - is the professional term used in business.

Comparison: Kariru vs. Haishaku suru

Haishaku suru (拝借する) is the extra-humble version of kariru. It is used when borrowing something from a superior. 'O-namae o haishaku shite mo?' (May I use your name? - very formal).

Finally, there is 借用する (shakuyō suru). This is a formal, technical term for borrowing, often used in libraries or when borrowing equipment in a laboratory. It sounds more 'official' than the everyday kariru. If you are filling out a form to borrow a projector from the office, the form might be called a 'shakuyō-sho' (borrowing application form).