一想起

Every time I think about it I feel physically sick.

一想起那件事我就感到极恶心。

The letter still gives him a twinge when he thinks of it.

他一想起那封信就会感到一阵刺痛。

He maddened at the thought of how he had been betrayed.

他一想起自己人出卖时就感到恼火。