go back
phrasal verbgo back
if two people go back a period of time (usually a long time), they have known each other for that time 相识,已认识(一段时间) when the clocks go back at the end of summer time, the time on them is changed so that it is one hour earlier 往回走: 夏令时结束时,时钟会改变,因此要早一小时Don't forget—the clocks go back tonight. 别忘了——时钟今晚会倒转。
go back (to…)
to return to a place 回到,返回(某地)
go back (to something)
to consider something that happened or was said at an earlier time 回忆起;回到(原来的话题) to have existed since a particular time or for a particular period 追溯到;回溯到