rule the roost
US /ruːl ðə ruːst/
UK /ruːl ðə ruːst/
1.
当家作主, 掌权
to be in charge, to be the dominant person or group in a situation
:
•
In their household, it's clear that the grandmother rules the roost.
在他们家里，很明显是奶奶当家作主。
•
The new manager quickly established himself and now rules the roost in the department.
新经理很快站稳了脚跟，现在在部门里当家作主。