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