Correct

笑掉大牙

/ xiào diào dà yá /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/笑掉大牙-Chinese-idioms-Cchatty-b4b1d2ae-1988-4d8e-8b66-74cd84e95057-1612777903.jpg

Collocation

1
谁看了都会笑掉大牙
2
乐得笑掉了大牙
3
让人/叫人笑掉大牙

Definition

笑掉大牙

Literally means:

laugh ones' tooth off

Actually means:

It means laughing one's tooth off, very often because one is happy or that something is really funny.

形容笑得很厉害。常因为很开心,或事情非常可笑。

Example

Used as predicate, complement or object. It can be used with other words in between. (作谓语、补语、宾语,中间可以插入别的词语)
1
Zhège
这个
niánqīng
年轻
zuòjiā
作家
jīngcháng
经常
xiě
cuòbié
错别字
  
,
yòng
cuò
词语
  
,
shízài
实在
ràng
rén
xiàodiào
笑掉
大牙
  

The young writer often writes typos and uses the wrong words, which makes people laugh off their big teeth.

2
Jūnxùn
军训
de
shíhou
时候
  
,
men
我们
zhèxiē
这些
xuésheng
学生
tiāntiān
天天
chūyángxiàng
出洋相
  
,
lǎobīng
老兵
men
de
乐得
几乎
xiào
diào
le
大牙
  

During military training, we students were out of the country every day, and the veterans were so happy that they almost laughed off their big teeth.

3
Zhèxiē
这些
huá
滑稽
de
gǎoxiào
搞笑
jié
节目
  
,
shuí
kàn
le
huì
xiàodiào
笑掉
大牙
  

These funny funny shows, anyone who watches will laugh off the big teeth.