· have one"s heart set on...一心想要……

Once he had his heart set on something, he"ll accept no turning-back.

· one"s heart in one"s mouth吓得要命

My heart was in my mouth when I heart someone tapping on my window one raining night.
have one"s heart in one"s mouth; with one"s heart in one"s mouth

· not have the heart to do something不忍心去做

How can you have the heart to kill my pet?

· take something to heart往心里去/认真接受意见等

Tom decided to take his father"s words to heart and wash his hands off smoking.

· be in the seventh heaven高心极了

Mary was in seventh heaven when she finally came to Paris, the center of fashion.

· move heaven and earth想尽一切办法

Believe me. I promise to move heaven and earth to help you.

· cool one"s heels等的双脚发凉，久等

Let"s meet at the gallery at 7 o"clock. Come at 7 sharp. Don"t make me cool my heels.

· take to one"s heels逃走

The naughty boy took to his heels after he should "trick-or-treat".

· shoot from the hip信口开河

Don"t take Jay"s words to heart. He shouldn"t have shot from the hip.

· by hook or by crook千方百计得，不择手段得

He rose to that position by hook or by crook.

· blow hot and cold出尔反尔，喜怒无常

Do you think he"ll support you? He is the type who blows hot and cold.

· make it hot for...刁难某人

Out section manager is a woman. Our general manager always looks down upon her and makes everything hot for her.

· have the lots for someone迷恋某人

You have to stop her. She has the lots for a married man.

· bring down the house博得满堂喝彩

The first-prize winner of the speech contest has brought down the house for several times.

· be over the hump已度过难关

The Asian financial crises has almost paralyzed Asian economy. But we are over the hump now.

· have a hunch that...预感到……

I have a hunch that the bear market will be over soon.