set off / start / start off 的区别

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set off / start / start off 的区别
set off / start / start off 的区别

set off / start / start off 的区别
set off意思很多,这里只谈与start 有关的意思.
①to embark on (a journey,race,etc) 动身、出发,这里尤指一段路程的开始.不及物动词组.
What time are you planning to set off tomorrow?你打算明天几点钟启程?
②to cause (a person) to act or do something,such as laugh or tell stories,这个可以有宾语,结构为:【set (sb.) off doing】 引起某人开始做某事
Don't set him off talking politics or he'll go on all evening.
可别让他谈起政治来,要不然他一谈就得一个晚上.
start off
① begin to move 开始活动:The horse started off at a steady trot.马快步稳健地跑了起来.
②start (sb.) off (on sth.) 使某人开始进行某事 这个与【set sb.off doing】是同义词.
impossible to stop him talking once he starts off.他一打开话匣子就停不住了.
What started him off on this crazy idea?他这个荒唐的主意是哪儿来的?
至于start,所有的用法都围绕着“开始”这一意思,用法非常多,与不同介词搭配有不同意义.