in the saddle
处于权力或控制的位置或状态
口语·形容掌权或负责
英文释义
to be in control or in a position of power or authority
例句
Since the CEO retired, he's been in the saddle and making all the big decisions.
典故来源
源自骑马场景，骑手坐在马鞍上控制马匹，引申为掌控局面或处于领导地位。