“『承诺』”
如果是作为副词用的，可以有两种常用的：1）temporarily；2）for the occasion举例：1）I temporarily lived with my aunt. 我暂时与我的姑妈住一起。2）His air of joviality was put on for the occasion; by nature he was a rather reserved and serious person. 他那欢乐活泼的外表只是一时装出来的，就他本性来看，他是个含蓄、严肃的人。
