1) You must be there at seven.
你必须七点到达。
2) You must brood over the situation adequately.
你必须思虑周到。
3) You need to put on more beef.
你必须长胖一点。
4) arrive at seven prompt = arrive prompt at seven
准七点到达
5) You will have to pay up.
你必须付款。
6) You must do with what you've got.
你必须知足。
参考词条