stop the rot
US /stɑp ðə rɑt/
UK /stɑp ðə rɑt/

1.
阻止衰败, 力挽狂澜
to take action to prevent a bad situation from becoming worse
:
•
The new manager was hired to stop the rot in the struggling company.
新经理被聘来阻止这家陷入困境的公司的衰败。
•
Urgent measures are needed to stop the rot in public services.
需要采取紧急措施来阻止公共服务的衰败。