Set off begin(a journey,race,etc.

• 开始(旅行、赛跑等)

Set off begin(a journey,race,etc.的用法和样例：

例句

1. Halfway through the race he began to flag.
   赛跑到一半他开始有点跑不动了。
2. Newborn babies begin their life with a wail.
   新生儿痛哭一声便开始了他们的生命。