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

1.
给某人足够的绳子, 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.
只要给他足够的绳子,他最终会自己把事情搞砸。
•
The manager decided to give the new employee enough rope to see if he could handle the responsibility.
经理决定给新员工足够的绳子,看看他是否能承担责任。