You bet! 一定，当然！

That is a boy! 太好了，好极了！

It's up to you. 由你决定。

The line is engaged. 占线。

Play hooky. 旷工、旷课。

I am the one wearing pants in the house. 我当家。

It's up in the air. 尚未确定。

Side dish. 配菜。

Stay away from him. 别理他。

Don't get high hat. 别摆架子。

Right over there. 就在那里。

Doggy bag. 打包袋
。
That rings a bell. 听起来耳熟
。
Sleeping on both ears. 睡的香。

I am all ears. 我洗耳恭听。

Get cold feet. 害怕做某事。

Good for you! 好得很！

Go ahead. 继续。

Go ahead. 继续。

Help me out. 帮帮我。

Let's bag it. 先把它搁一边。

Lose head. 丧失理智。

Talk truly. 有话直说。