set out,set about,set off有什么区别？

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。 They've set off on a journey round the world. 他们已经开始环游世界. 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. set about: 开始,着手，与set out意思相近，但set out后加不定式，即set out to do sth,而set about后加 ing形式，即set about doing sth. 例句与用法: 1. You must set about your work at once. 你必须立即开始工作。 2. Do you know how to set about going on this work? 你知道怎样着手进行这项工作吗？

采纳哦