表原因或理由的介词:for, at, from, of, with, by, because of

1. for表示原因,常与sorry, famous, punish, praise, thank, blame等词连用。如:

I am sorry for what I said to you. 我后悔不该对你讲那些话。

2. at指情感变化的原因,意为“因听到或看到而……”。如:

He was surprised at the news. 听到这消息他大吃一惊。

3. from指“外在的原因”,如受伤、车祸等。如:

He died from the wound. 他因受伤而致死。

4. of指“内在的原因”,如病、饿等。如:

The old man died of hunger. 老人死于饥饿。

5. with指生理上或情感上的由外界到内心的原因。如:

Hearing the news, he jumped with joy. 他们听到这个消息,欣喜若狂。

He was shaking with anger. 他气得浑身发抖。