Correct

撞大运

/ zhuàng dà yùn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/撞大运-Chinese-idioms-Cchatty-72fcd073-a53d-46aa-a3f2-14707830cc55-1612777384.jpg

Collocation

1
等着撞大运
2
不是撞大运
3
真的撞大运
4
撞上了大运

Definition

撞大运:

Literally means:

knock at great luck

Actually means:

大运, good luck.

The whole phrase means getting a good luck by chance; attain good luck by chance.

大运,好运气。

指意外或偶然碰上好运气。

Example

Used as object or predicate, and it can have other words in between. (作宾语、谓语,中间也可插入其他词语)
1
Zhè
men
他们
duó
夺得
guànjūn
冠军
jué
决不
shì
zhuàng
yùn
大运
  
,
érshì
而是
píngshí
平时
刻苦
xùnliàn
训练
de
jiēguǒ
结果
  

This time they won the championship is not a big luck, but the result of hard training.

2
Rénmen
人们
mǎi
cǎipiào
彩票
  
,
jiùshì
就是
děng
zhāo
zhuàng
yùn
大运
ne
  

People buy lottery tickets and just wait for the big luck.

3
wèi
dēngshān
登山
àihàozhě
爱好者
zhuàng
shàng
le
yùn
大运
  
,
dào
liǎo
liǎng
bǎi
nián
rénshēn
人参
  

A mountaineer bumped into the big luck and dug up two centennies.