get your act together

US /ɡɛt jʊər ækt təˈɡɛðər/
UK /ɡɛt jʊər ækt təˈɡɛðər/
"get your act together" picture
1.

しっかりする, 態度を改める, 準備を整える

to organize yourself and your affairs so that you can achieve something or deal with a situation effectively

:
You need to get your act together if you want to pass this exam.
この試験に合格したいなら、しっかりしなさい
The team needs to get their act together before the big game.
チームは大事な試合の前にしっかりしなければならない