setoff:出发,侧重于去某个地方例句与用法:ifyouwanttocatchthattrainwe'dbettersetoffforthestationimmediately.你要是想赶上那班火车,咱们就最好马上动身去火车站.setout: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:theysucceededinwhattheysetouttodo.他们打算做的事已经做成了.setabout:开始,着手,与setout意思相近,但setout后加不定式,即setouttodosth,而setabout后加ing形式,即setaboutdoingsth.例句与用法:youmustsetaboutyourworkatonce.你必须立即开始工作. |