Correct

竖大拇指

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/竖大拇指-Chinese-idioms-Cchatty-bb7f9f4d-6c71-4219-b98a-cfbed9374ef6-1612777899.jpg

Collocation

1
竖起了好几次大拇指
2
不由得竖起了大拇指
3
向……(某人)竖大拇指
4
让(某人)竖大拇指
5
竖起了大拇指
6
连连竖起大拇指
7
直竖大拇指

Definition

竖大拇指

Literally means:

hold up one's thumb in approval

Actually means:

thumbs up

竖 refers to "set upright" or "erect".

The phrase means holding up one's thumb in approval. This is a gesture often used by Chinese people indicating "good", "wonderful", "brilliant", "great", "excellent", "admirable" etc. Commendatory.

竖,使直立。

竖大拇指,向上伸直大拇指,表示对人或事物的称赞或表扬。这是中国人常用的表示夸奖的手势,意味着好、妙、高明、了不起、顶呱呱、让人佩服等等。具有褒义色彩。

Example

Used as predicate or object, and it can have other words in between. (作谓语、宾语,中间可插入别的词语)
1
shì
hěn
yōuxiù
优秀
de
xuésheng
学生
  
,
měi
每个
lǎoshī
老师
提起
  
,
dōu
yào
shù
muzhǐ
大拇指
  

He is a very good student, every teacher mentions him and gives him a thumbs up.

2
jiā
大家
cānguān
参观
le
zhège
这个
chéngshì
城市
hòu
  
,
dōu
yóude
不由得
shù
竖起
le
muzhǐ
大拇指
  

After everyone visited the city, they caused a thumbs up.

3
ba
爸爸
duì
érzi
儿子
shuō
  
:
duì
de
tàidu
态度
shì
gōngpíng
公平
de
  
,
gàn
de
hǎo
jiù
wéi
shù
muzhǐ
大拇指
  
,
gàn
de
hǎo
不好
  
,
jiùyào
就要
píng
批评
  

The father said to his son, "My attitude towards you is fair, I'll give you a thumbs up if you do well, and if you don't do well, I'll criticize you."