get your ass in gear
US /ɡɛt jʊər æs ɪn ɡɪr/
UK /ɡɛt jʊər æs ɪn ɡɪr/

1.
趕緊行動起來, 開始努力工作
to start working hard or acting quickly and effectively
:
•
You need to get your ass in gear if you want to finish this project on time.
如果你想按時完成這個項目,你需要趕緊行動起來。
•
The coach told the team to get their asses in gear or they would lose the game.
教練告訴球隊要趕緊行動起來,否則他們會輸掉比賽。