at roost

基本解释

The hen sitting at the roost lays colored eggs, 3 at a time, which start falling down.
母鸡坐在称雄奠定了色的鸡蛋， 3日在一时间，开始倒下。
EXAMPLE: My uncle was an important executive at work, but my aunt ruled the roost at home, and he never questioned her judgment about any domestic matters.
我叔叔在工作上是位重要的高管，但我婶婶当家，他从来不质疑婶婶在家庭事务上的任何意见。
The Penguins will rule the roost at their Central Park Zoo home, doing secret missions in the heart of New York City. At times their secret missions beckon them to venture out of the zoo.
与此同时他们还要执行各种秘密任务，时不时地他们就要从动物园逃出来执行任务。
enbigmars.blog.163.com

Accordingly, Android still ruled the roost at 52.5 percent, while 34.3 percent were iPhone adopters.
ENGADGET: ComScore: US smartphone share leveled off in September, Android and iPhone continued their reigns
Android was still comfortably ruling the roost at 53.7 percent, although its share was only a slight increase over October.
ENGADGET: ComScore: iPhone up to 35 percent of US smartphone share in November, Android steady