Son: Dad, please don’t turn your back on me. After all, I’m still your son. Give me a chance to pull myself together.

Father: What are you up to this time, son?

Son: Dad, I’m tipped off that my company stock goanna go up big time. I need some money to invest.

Father: Son, I want to help you to settle down and act like a grown up. But last time you pulled a fast one on me. Do you remember? So this time I have to take that into account. Tell you what, I’ll sleep on it and let you know tomorrow.

Son: Thanks, Dad. Can I have the money in the morning?

Father: Don’t press your luck, son.

Turn one’s back on someone 不理睬

He turned his back on his own family when they needed help.

The poorer nations are often not grateful for help, but still we can not turn our back on them.

Pull oneself together 冷静下来，振作下来，恢复自我控制

It took some time for him to recover from the shock and pull himself together.

Stop acting like a baby,! Pull yourself together.

Up to 能做……，施阴谋； 是……的责任，取决于……

What are you up to with the matches, John?

Mrs. Watson was sure that the boys were up to no good, because they ran away when they saw her coming.

I don’t care when you cut the grass. When you do it is up to you.

Tip off 通风报信

The thieves did not rob the bank as planned because someone tipped them off that it was being watched by the police.

The president tipped off the class that it was the superintendent’s birthday.

Big time 一流的

Many young actors go to Hollywood, but few of them reach the big time.

After his graduation from college, he soon made the big time in baseball.

Settle down 安定下来

John will settle down after he gets a job and gets married.

The teacher told the students to settle down and study the lesson. Father settled down with the newspaper.

Pull a fast one on someone 欺骗某人

What a surprise! John pulled a fast one on us this time. He didn’t keep his promise to boycott the shop.

I don’t think you have the guts to pull a fast one on me.

Sleep on it 在考虑一下

We asked Judy if she would join our club, and she answered that she would sleep on it.

We have to sleep on your invitation until we know whether we will be free Monday night.

Press one’s luck 仰仗运气

When John won his first two bets at the trace, he pressed on his luck and increased his bets.

If you are at lucky first, don’t press your luck.