英语四级听力考试常考短语及惯用表达-JK

J

jack of all trades 博而不精的`人，万事通

join in 参加，参与

jump to a conclusion 贸然断定;过早下结论

just as well 无所谓，也好

justify in doing sth 有理由做某事

K

keep an eye on 照看，注意，观察

know/learn the ropes 了解、掌握做事情的技能!

keep body and soul together 生存下去

keep in touch with 与通信，保持联系

keep ones head 保持镇静

keep sb. informed 及时通知某人

keep sth. in good order 使处于良好状态，使井井有条

keen on 喜好

kill time 消磨时光

keeping up with the Joneses 老和别人攀比