1 to leave the place where you live or work for a short time, returning on the same day 离开一会儿: Let's go out for a meal tonight(= to a restaurant). 我们今晚上馆子吧。I'm just going out for a walk, I won't be long. 我只是出去散一会儿步，不会太久。

2 to stop shining or burning （灯、火）熄灭: Suddenly all the lights went out. 突然间所有的灯都熄灭了。

3 to stop being fashionable or in use 过时；不再使用: That kind of music went out in the seventies. 这种音乐在七十年代已经过时。

4 (used about the sea) to move away from the land （指海水）退潮: Is the tide coming in or going out? 现在是在涨潮还是在退潮？ [SYN] ebb 同义词为 ebb ☞Look at tide ¹. 参看 tide^1。