英语翻译词组：1、小心做某事2、做某事有困难3、祝你今天愉快4、上学迟到句子：1、——不要把钥匙放在办公室里,——好的.

1.be careful to do something
2.have difficulties in doing
3.have a good time
4.be late for school
1.-Don't put the key in the office,ok?
-All right
2.The clothes in this shop are too expansive.
-Yes.
3.When you cross the street,look around.
4.If you have already finish the homework ,you should cleanthe room and cook.