Correct

三心二意

/ sān xīn èr yì /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/三心二意-Chinese-idioms-Cchatty-3ba41c81-e83b-4181-b795-fe8bee365378-1612776158.jpg

Collocation

1
三心二意是不行的
2
不能三心二意的
3
别三心二意
4
总是三心二意

Definition

三心二意

Literally means:

three hearts and two minds

Actually means:

It means one is not decisive or is not single-minded about something. Derogatory.

形容拿不定主意,或心思不专一。具有贬义色彩。

Example

Used as object, predicate or subject. (作宾语、谓语、主语)
1
dào
到底
háishi
还是
  
,
zǎodiǎn
早点
zuò
juédìng
决定
  
,
biè
sānxīnèr
三心二意
  
,
yóujué
犹豫不决
  

Whether you go or not, make a decision early, don't think, hesitate.

2
Zhè
shì
xiàng
cháng
长期
ér
复杂
de
gōngzuò
工作
  
,
néng
sānxīnèr
三心二意
huò
bànxīn
半心
bàn
  
,
dìng
一定
yào
quánxīnquán
全心全意
cái
néng
zuòhǎo
做好
  

This is a long-term and complex work, can not be two-hearted or half-hearted, must be wholeheartedly in order to do a good job.

3
Àiqíng
爱情
dìng
一定
yào
zhuān
专一
  
,
sānxīnèr
三心二意
huò
jiǎoliǎngzhīchuán
脚踏两只船
shì
xíng
不行
de
  

Love must be single-hearted, three-hearted or pedal two boats is not possible.

Related

三心二意