to pipe down
[phrase form: pipe]
01
安静下来, 闭嘴
to stop talking or making noise
例子
Whenever the teacher enters, the students usually pipe down.
每当老师进来时，学生们通常会安静下来。
The moment the principal stepped onto the stage yesterday, the assembly piped down.
昨天校长走上舞台的那一刻，集会安静了下来。
02
使安静, 让闭嘴
to cause someone or something to become quiet
例子
The teacher tried to pipe down the noisy classroom by turning off the lights momentarily.
老师试图通过暂时关灯来平息吵闹的教室。
When the argument between the two colleagues became too heated, their supervisor stepped in to pipe them down.
当两位同事之间的争论变得过于激烈时，他们的主管介入以平息他们。
