Correct

想不开

/ xiǎngbukāi /
Strokes

Definition

cannot figure out/to be unable to take a lighter view/to take things too hard/to be depressed/to fret over trifles

Example

As a Verb

be unable to resign oneself to a (usu unpleasant) situation; fail to take a resigned attitude; take things too hard; not be philosophical (about)

1
shì
xiǎngbukāi
想不开
  
,
ài
zǒuduān
走极端
  

He is not philosophical at all, and tends to go to extremes.

2
Biè
xiǎng
bu
kāi
  

Don't take things too hard.

3
Biè
wéi
xiǎoshì
小事
xiǎng
bu
kāi
  

Don't take such trivial things to heart.

Related

想不开