goofing off造句

1、Does that mean Parker was goofing off and not trading properly?
这是不是说帕克吊儿郎当，交易不行呢？

2、Salena, stop goofing off in chemistry or you will fail the final exam!
莎莲娜，别在化学课上混日子了，不然你期末考试会不及格的！

3、He's probably goofing off somewhere.
他可能在什么地方打混呢。