Correct

打下手

/ dǎ xià shǒu /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/打下手-Chinese-idioms-Cchatty-fe0acc19-abb1-49e8-8588-51ff361bce55-1612777120.jpg

Collocation

1
打下手的工作/日子
2
在旁边打下手
3
帮着打下手
4
帮忙打下手
5
跟着……打下手
6
给……打下手

Definition

打下手

Literally means:

work as an assistant

Actually means:

It means assisting sb in doing sth.

给某人当助手,协助他做某事。

Example

Used as predicate or attributive. (作谓语、定语)
1
Suīrán
虽然
shì
zhùmíng
著名
de
zhuānjiā
专家
  
,
dàn
háishi
还是
hěn
yuàn
愿意
zài
zuò
shǒushù
手术
shí
gěi
xiē
那些
niánqīng
年轻
shēng
医生
men
xiàshǒu
打下手
  

Although a well-known expert, he is willing to give the young doctors a hand in the operation.

2
cái
shì
gōngchéng
工程
rén
负责人
  
,
zhǐbuguò
只不过
shì
lái
xiàshǒu
打打下手
de
  

He's the head of the project, I'm just here to hit the groundwork.

3
ge
那个
zài
pángbiān
旁边
xiàshǒu
打下手
de
niánqīngrén
年轻人
shì
lái
shí
实习
de
xuéshēng
大学生
  

The young man who laid down his hand next to him was a college student who came to practice.

Related

打下手