Correct

换脑筋

/ huàn nǎojīn /
Strokes

Example

As a Verb

change one's way of thinking; brainwash

1
děi
huànhuàn
换换
nǎojīn
脑筋
le
  
,
rán
不然
jiù
luò
落伍
le
  

You've got to change your way of thinking, or you'll get behind the times.

Related

换脑筋