下面句子中括号部分是英语鲤鱼,你能根据句意说出他们各自的中文意思吗?

下面句子中括号部分是英语鲤鱼,你能根据句意说出他们各自的中文意思吗?
1、tom's younger sister is a (meter maid)
2、when john's classmate saw john ,he laughed at john and said ,"your (fly) is undone " john's face turned red at once and made it quickly.
3、A：this is the newest type of cellphone.
B:(bananas)!I used it two years age ,it's out of date