give somebody enough rope
US /ɡɪv ˈsʌmˌbɑːdi ɪˈnʌf roʊp/
UK /ɡɪv ˈsʌmˌbɑːdi ɪˈnʌf roʊp/

1.
給某人足夠的繩子, 放任自流
to allow someone to do whatever they want, in the belief that they will eventually get into trouble or fail
:
•
Just give him enough rope, and he'll eventually mess things up on his own.
只要給他足夠的繩子,他最終會自己把事情搞砸。
•
The manager decided to give the new employee enough rope to see if he could handle the responsibility.
經理決定給新員工足夠的繩子,看看他是否能承擔責任。