1.By no means :绝不 /anything but

　　2.Check in/out

　　3.Come up:发生，出现，提出

　　4.Come up with:针对问题，挑战等提出，想出，赶上

　　I spent a whole week searching on the net, but came up with nothing valuable.

　　5.Concentrate on/focus on 集中

　　6.Deal with /cope with 处理

　　7.Drop in :顺便拜访

　　8.Drop out of:不参与，退出

　　Theyre likely to drop out of school and less likely to succeed in life.

　　9.Eat ones words 食言

　　10.Fall short of:达不到，不符合

　　Its results fell short of her expectation.