not let the grass grow under your feet
US /nɑt lɛt ðə ɡræs ɡroʊ ˈʌndər jʊər fiːt/
UK /nɑt lɛt ðə ɡræs ɡroʊ ˈʌndər jʊər fiːt/

1.
不讓草長在腳下, 迅速行動
to not delay in taking action; to act quickly and without hesitation
:
•
When the opportunity arose, she didn't let the grass grow under her feet and applied for the job immediately.
機會出現時,她沒有讓草長在腳下,立即申請了這份工作。
•
If you want to succeed, you must not let the grass grow under your feet; always be proactive.
如果你想成功,就必須不讓草長在腳下;永遠要積極主動。