She was afraid of going mad.

她担心自己会疯掉。

...the mad old lady from down the street.

沿街走来的那位精神失常的老太太

You'd be mad to work with him again.

你要再和他一起工作那简直是疯了。

Isn't that a rather mad idea?

那难道不是一个愚蠢透顶的想法吗？

You're just mad at me because I don't want to go. [+ at]

因为我不想去，你就对我火冒三丈。

I'm pretty mad about it, I can tell you.

告诉你，我对这件事感到非常恼火。

She's not as mad about sport as I am. [+ about]

她不像我对体育那么痴迷。

He's mad about you. [+ about]

他很迷恋你。

He's mad on trains. [+ on]

他非常喜欢火车。

You only have an hour to complete the game so it's a mad dash against the clock.

你只有一个小时来完成这场比赛，所以得铆足劲头争分夺秒。

The audience went mad.

观众们十分狂热。

There are certain things he does that drive me mad.

他的某些举动让我很生气。

This itching is driving me mad.

这种瘙痒简直快把我折磨疯了。

He was weight training like mad.

他在拼命地进行负重训练。