一、set off: 出发,侧重于去某个地方。
例句与用法:
If you want to catch that train we'd better set off for the station immediately.
你要是想赶上那班火车,咱们就最好马上动身去火车站。
二、set out: 出发,开始,侧重于开始做某事,还有规划,展现的意思。
例句与用法:
They succeeded in what they set out to do.
他们打算做的事已经做成了。
1.set off: 出发,侧重于去某个地方 ;
2.set out: 出发,开始,侧重于开始做某事,还有规划,展现的意思。
3. 另外,set out to do sth是开始/着手干某事
而, set sb off doing sth是使某人开始干某事
4.例句与用法:
(1)If you want to catch that train we'd better set off for the station immediately.
你要是想赶上那班火车,咱们就最好马上动身去火车站。
(2)They've set off on a journey round the world.
他们已经开始环游世界.