Correct

知好歹

/ zhī hǎo dǎi /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/知好歹-Chinese-idioms-Cchatty-e7e643d9-993d-4d57-9dc9-2bde3b054b33-1612777852.jpg

Collocation

1
知点好歹
2
不知好歹的家伙
3
不知好歹的东西
4
不知好歹
5
知好歹的人
6
挺知好歹的

Definition

知好歹:

Literally means:

tell good from bad

Actually means:

It means telling good things from bad things with correct judgment.

知道什么是好的事情,什么是不好的事情,能够判断是非。

Example

Used as predicate or attributive and can have other words in between. (作谓语、定语,中间可以插入其他词语)
1
Biè
kàn
shì
háizi
孩子
  
,
zhēn
zhī
hǎodǎi
好歹
  
,
shénme
什么
shì
dōu
yòngbuzháo
用不着
ma
妈妈
cāoxīn
操心
  

Don't look at her as a child, but you really know what's wrong, you don't have to worry about your mother.

2
zhēn
zhīhǎodǎi
不知好歹
  
,
men
我们
hǎoxīn
好心
quàn
zài
wàimiàn
外面
jiāopéngyou
交朋友
yào
dāng
jiùshì
就是
tīng
  

He really doesn't know what to do, we kindly advise him to make friends outside, but he won't listen.

3
shì
zhī
hǎodǎi
好歹
de
rén
  
,
zuǐba
嘴巴
jǐn
  
,
hěn
jǐng
机警
  
,
suǒ
所以
zǒngjīng
总经理
zǒngshì
总是
zhòngyào
重要
de
shì
jiāogěi
交给
bàn
  

He is a good guy, his mouth is tight and he is alert, so the general manager always leaves important things to him.