Correct

不三不四

/ bù sān bù sì /
Strokes

Definition

dubious/shady/neither one thing nor the other/neither fish nor fowl/nondescript

Example

Definition

dubious; shady; unbecoming

1
yào
不要
gēn
sān
不三不四
de
rén
láiwǎng
来往
  

Don't have any dealings with those questionable characters.

2
Jiāo
sān
不三不四
de
péngyou
朋友

make friends with dubious characters

Definition

neither one thing nor the other; neither fish, flesh nor fowl

3
Zhè
piān
wénzhāng
文章
gǎi
lái
gǎi
  
,
fǎndào
反倒
gǎi
de
sān
不三不四
de
  

The article was revised over and over again, only to become neither fish nor fowl.

4
Shuō
xiē
sān
不三不四
de
huà

make frivolous remarks; talk twaddle

Related

不三不四