beat a retreat
1. 拔腿溜掉
When they saw the teacher coming, they beat a hasty retreat.
他们看到老师来了, 就赶紧躲开。
习惯用语beat a retreat1.打退堂 鼓, 放弃不干be in full retreat1.总退却be beyond retreat1.没有后退的可能blow [sound] the (a) retreat1.鸣金收兵cover the retreat1.掩护退却cut off the retreat1.截断退路go into retreat1.【宗】进入静修状态make a retreat1.撤退make good one's retreat1.安全撤退; 顺利脱身