| 释义 |
pipe down- [美国英语]安静下来；停止叫喊、谈话等；不再那么坚持或过于自信；[俚语]变得较谨慎：
On seeing the teacher coming, the students in the classroom piped down. 一看到老师走来，教室里的学生就静下来了。 - 用管道往下输送：
The gas was piped down from the central gas station to the sub-stations. 煤气通过管道从总站往下输送到各分站。 - 吹哨子下班，吹哨子收工(指甲板上的水手们)：
It is time to pipe the sailors down. 该是吹哨让海员们停工的时候了。
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