pull your socks up
US /pʊl jʊər sɑks ʌp/
UK /pʊl jʊər sɑks ʌp/

1.
加把勁, 振作起來, 努力改進
to make an effort to improve your work or behavior because it is not good enough
:
•
You need to pull your socks up if you want to pass the exam.
如果你想通過考試,你需要加把勁。
•
The team was told to pull their socks up after a series of poor performances.
在一系列糟糕的表現之後,團隊被告知要振作起來。