A powerful electric current is passed through a piece of graphite.

They ceremoniously cut a piece of ribbon, declaring the exhibition open.

他们郑重其事地剪彩，宣布展览开幕。

He ticked off my name on a piece of paper.

他在一张纸上我的名字旁打了钩。

He hunted vainly through his pockets for a piece of paper.

他翻遍口袋想找一张纸，结果没找到。

Strain the juice through a piece of gauze or a sieve.

用一块纱布或过滤网将果汁过滤一下。

Mr. Long was now cutting himself a piece of the pink cake.

朗先生正在给自己切一块粉色蛋糕。

How very thoughtless. I'll give him a piece of my mind.

真是太没头脑了，我要告诉他我很生气。

Please cut me a piece of cake / cut a piece of cake for me.

请给我切块蛋糕.

Persuading him to give us the day off won't be a piece of cake.

要说通他放我们假可不是容易事.

It's going to be a piece of cake.

这种事不费吹灰之力.

He thinks it'll be a piece of cake.

他认为那是唾手可得的事.

The exam paper was a piece of cake.

那份试卷十分容易.

It's a piece of cake.

太容易了.

Will you have a piece of cake?

你来一块蛋糕好 吗 ?

This is fun. It's a piece of cake.

有意思毫不费力.

He wondered if he might have a piece of cake.

他想知道他是否可以吃一块糕.

It's nothing to shout about. It's a piece of cake for you.

没什么了不了起的,对你是小菜一碟.

Oh, you'll do it. It's a piece of cake.

噢你办得到的. 这不费吹灰之力.

Don't think this job a piece of cake. You'll have to rack your brains once you start on it.

别以为这工作是易如反掌的事, 你做了就知道它是很伤脑筋的.

The boy snatched a piece of cake and ate it hungrily.

男孩抢过一块饼便贪婪地吃起来.

Getting rid of him will be a piece of cake.

摆脱掉他就是小事一桩。