动词 + 一下 dòngcí + yíxià
动词 + 一下（dòngcí + yíxià）means “verb + 一下: do briefly / a little (softening)”. Adding 一下 after a verb means to do the action briefly or a little, and it softens a request to sound more polite (看一下 'take a look,' 等一下 'wait a moment'). Formation: 动词 + 一下（+ 宾语）
verb + 一下: do briefly / a little (softening)
HSK2Formation
动词 + 一下（+ 宾语）
Explanation
Adding 一下 after a verb means to do the action briefly or a little, and it softens a request to sound more polite (看一下 'take a look,' 等一下 'wait a moment'). An object goes after 一下: 看一下这个. It is close in use to reduplicating the verb (看看).
Examples
Note
一 takes 2nd tone (yí) before 下. Similar to verb reduplication 看看.
FAQ
动词 + 一下 — what does it mean and how is it used?
verb + 一下: do briefly / a little (softening). Adding 一下 after a verb means to do the action briefly or a little, and it softens a request to sound more polite (看一下 'take a look,' 等一下 'wait a moment'). An object goes after 一下: 看一下这个. It is close in use to reduplicating the verb (看看).
动词 + 一下 — how do you form it?
动词 + 一下（+ 宾语）
动词 + 一下 — any usage notes?
一 takes 2nd tone (yí) before 下. Similar to verb reduplication 看看.