put on an act

US /pʊt ɑn ən ækt/
UK /pʊt ɑn ən ækt/
"put on an act" picture
1.

演戲, 裝模作樣

to pretend to be someone or something that you are not, or to pretend to feel something that you do not feel

:
She was just putting on an act to get attention.
她只是在演戲以引起注意。
Don't believe him, he's always putting on an act.
別相信他,他總是在演戲