- a bad applen. 坏蛋;
- at a pinch必要时，如果有必要;
- a lump in the throatn.哽咽欲泣;骨鲠在喉;
- a large crowd of一大群人
- a handful ofadj.一把，少数、几个、不多;
- a gust of wind一阵狂风;
- a dozen of一打;
- a constant temperature恒温;
- a bunch of一群;一束;一堆;班;
- a bolt from the bluen.意外事件;
- A black sheepn.败家子，败类，害群之马;败群之马;
- a matter of coursen.理所当然的事， 必然的结果;
- contract a disease承包一种疾病
- center of a circle圆心;
- cash a check[经] 支票兑现， 兑付支票;
- be all of a jumpv.紧张;心惊胆战;胆战心惊;
- get a handle on控制;
- have a fight打战斗
- in a rutn.刻板乏味，墨守成规。字面意思是在车辙里（行走）。;
- lend a handv.帮助;插手;扯篷拉纤;
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