注意：
◎ policeman和policewoman的复数形式是policemen和policewo-men,postman 和post woman也是如此
◎如waiter和waitress、actor和actress是有男女区别的,在形容女士时要注意
原句：I want to be an actor.
want
want sth 想要某物
Eg: He wants a book.want to do sth 想要做某事
Eg: She wants to go out.want sb to do sth 想让某人做某事
want to be …想成为……
Eg:I want to be an actor.
ask sb question 问某人问题
go out to dinners 出去吃饭
work for sb as a/an…
作为……（身份）为某人工作
work late 工作到很晚
work hard 工作很努力
call sb at…
给某人打……（电话号码）