A2 Intermediate Aspects & Time

Verbing Briefly: How to Use 一下 (yīxià)

Add 一下 (yīxià, said yíxià) after a verb to make the action brief, casual and light: 你看一下这个 (“have a quick look at this”). It’s the easy twin of verb reduplication — 看一下 ≈ 看看 — but it simply tacks on, so it works smoothly with two-syllable verbs too (介绍一下).

Why this trips learners up

一下 (yīxià) is one of the most useful little add-ons in everyday Chinese. Stick it after a verb and the action becomes brief, quick and casual — “just have a look,” “give it a quick check,” “come over for a sec.” The pattern is simply Subject + Verb + 一下 + Object: 你看一下这个 (“take a quick look at this”), 我用一下你的笔 (“let me use your pen for a sec”). 一下 literally means “one stroke / once,” which is why it lands as “a moment.” Beyond shortening the action, it softens the tone, turning a blunt command into a light request — 等一下 feels far gentler than a bare 等.

This makes 一下 the close cousin of verb reduplication (看看, 试试): 看一下 and 看看 mean almost exactly the same thing. The handy difference is that 一下 just appends — so it slides onto two-syllable verbs with no fuss (介绍一下, 检查一下, 收拾一下), where reduplication has to repeat the whole word (介绍介绍). Because they do the same job, don’t use both at once: 看一下 or 看看, never 看看一下.

Two things to watch. The object goes after 一下, not before it: 看一下这个, not 看这个一下. (A short pronoun object can also sit in front — 等我一下 — but with a full noun, keep it Verb + 一下 + Object.) And don’t mix up 一下 with 一点儿: 一下 makes the action brief (吃一下 = “eat for a moment”), while 一点儿 + noun marks a small amount (吃一点儿饭 = “eat a little food”). Same English word “a little,” two different jobs.

The structure

SubjectVerb 一下 yíxià Object

Colour key

Each colour marks one grammatical role — and the same colour means the same role on every page in the Lab.

Pattern Subject Verb Object Time Function word Question

Examples in context

Real-world sentences, easiest first. Toggle pinyin or the translation, tap any word to see its role, or play the audio.

Tap a word to see its grammatical role.

nǐ 你 Subject bāng 帮 Verb wǒ 我 Object ná 拿 Verb yíxià 一下 Pattern

Grab that for me real quick (拿一下).

wǒ 我 Subject yòng 用 Verb yíxià 一下 Pattern nǐ de bǐ 你的笔 Object kěyǐ ma 可以吗 Question

Can I use your pen for a sec? (用一下 + polite question).

qǐng 请 Verb nǐ 你 Subject jiǎnchá 检查 Verb yíxià 一下 Pattern zhège shùzì 这个数字 Object

Please check this number (检查一下 — a two-syllable verb takes 一下 with no fuss).

nǐ 你 Subject tīng 听 Verb yíxià 一下 Pattern zhè shǒu gē 这首歌 Object

Have a listen to this song (听一下).

nǐ 你 Subject néng 能 Function word bāng 帮 Verb wǒ 我 Object kàn 看 Verb yíxià 一下 Pattern shíjiān 时间 Object ma 吗 Question

Could you check the time for me? (modal 能 + 帮 + 看一下).

nǐ 你 Subject guòlái 过来 Verb yíxià 一下 Pattern ba 吧 Function word

Come over for a sec (过来一下 + softening 吧).

chūmén qián 出门前 Time wǒ 我 Subject shōushi 收拾 Verb yíxià 一下 Pattern fángjiān 房间 Object

I’ll tidy the room a bit before I head out (收拾一下).

máfan 麻烦 Verb nín 您 Subject quèrèn 确认 Verb yíxià 一下 Pattern nín de diànhuà hàomǎ 您的电话号码 Object

Could I trouble you to confirm your phone number? (polite 确认一下).

Common mistakes

Avoid: 你看这个一下。 nǐ kàn zhège yíxià.

Say this: 你看一下这个。 nǐ kàn yíxià zhège.

Why it happens: 一下 hugs the verb, and the object comes AFTER it: Verb + 一下 + Object — 你看一下这个, not 你看这个一下. (A short pronoun object can sit in front — 等我一下 — but a full noun follows 一下.)

Avoid: 你看看一下这本书。 nǐ kànkan yíxià zhè běn shū.

Say this: 你看一下这本书。 nǐ kàn yíxià zhè běn shū.

Why it happens: 一下 and reduplication do the same job — making the action brief — so don’t stack them. It’s 看一下 or 看看, never 看看一下.

Avoid: 我饿了，吃一下饭吧。 wǒ è le, chī yíxià fàn ba.

Say this: 我饿了，吃一点儿饭吧。 wǒ è le, chī yìdiǎnr fàn ba.

Why it happens: 一下 makes the ACTION brief (吃一下 = “eat for a moment”). For a small AMOUNT of something, use 一点儿 + noun: 吃一点儿饭 (“eat a little food”). English “a little” hides the difference; Chinese doesn’t.

Compare & contrast

Verb + 一下 — append “briefly”	Reduplication — double the verb	The difference
看一下kàn yíxià	看看 / 看一看kànkan / kàn yi kàn	看一下 and 看看 / 看一看 all mean “have a quick look” — same casual, brief feel. 一下 simply appends; reduplication doubles the verb.
介绍一下jièshào yíxià	介绍介绍jièshào jièshào	介绍一下 vs 介绍介绍 — both “give a brief introduction.” With a two-syllable verb, 一下 just tacks on, while reduplication repeats the whole word (ABAB).

Rule of thumb看一下 ≈ 看看 — “have a quick look,” casual and brief. 一下 simply appends to the verb and works smoothly with two-syllable verbs (介绍一下); reduplication doubles the verb (介绍介绍). Use either, but never both at once. (一下 can also mean a literal “once”; reduplication can’t.)

Try it yourself

Say “Take a look at this.” — put 一下 right after the verb, object last.

Related patterns

Quick reference card

Verbing Briefly: How to Use 一下 (yīxià) grammar.merrymandarin.com

A pocket summary — print it and keep it by your desk.

Structure

Subject + Verb + 一下 + Object

Example

你帮我拿一下

Grab that for me real quick (拿一下).

Watch out

✗ 你看这个一下。 → ✓ 你看一下这个。