set about something
phrasal verb with set verb uk/set/ us/set/ setting | set
开始做，开始处理
to start to do or deal with something
[ + -ing verb ] I have no idea how to set about changing a tyre on a car. 我不知道如何更换汽车轮胎。
I tried to apologize, but I think I set about it the wrong way. 我想道歉，但我觉得我一张嘴道歉就说错话了。