51.Keep in touch with

　　52.Knock it off/stop

　　53.Lay off/fire

　　54.Let out：放走，泄露

　　55.Look for a needle in a haystack：大海捞针

　　56.Make a hit：获得成功

　　57.Make ends meet：使收支相抵

　　58.Make sense：有意义

　　59.Make up;补偿，化妆，补考

　　60.Meet each other half way： make an agreement