“在……之后”的英文是after，“在……之前”的英文是before。

1、afterprep.(时间)在…后；表示反复不断或一个接着一个；跟随；追赶；在(某人)后面conj.在…以后，adv.后来；以后，adj.后来的；以后的例句：After an hour I went home (= when an hour had passed) . 一小时之后我回家了。短语on and after 自…起be after 追赶,寻找after that 然后after hour 工作完毕after service n. 售后服务after stool 大便已后,便后after the model of 根据…的典范,仿效…be mad after 对…着迷,狂热地迷恋…call after v.追喊,以...命名dangle after v. 追求,尾随2、beforeprep.在…以前；在…面前(或前面)；(次序或排列)在前面conj.在…以前；到…为止；到…之前；以免；不然adv.以前；过去；已经例句：Annie was born a few weeks before Christmas...安妮出生在圣诞节前几周。