intel-,在中间，来自inter-的变体，-leg,选择，选出，词源同collect,eligible.引申词义智力，才智，即聪明的，有才智的。词义演变比较science.

1. She was thin and spare, with a sharply intelligent face.

她又高又瘦，一副精明过人的模样。

2. An intelligent computer will be an indispensable diagnostic tool for doctors.

智能计算机将成为医生不可或缺的诊断工具。

3. All your arguments presuppose that he's a rational, intelligent man.

你所有论点的前提都是他是一个理性而聪明的人。

4. Susan'sa very bright and intelligent woman who knows her own mind.

苏珊是个非常聪明、有主见的女子。

5. He ventured the opinion that "whales are as intelligent as human beings".

他大胆提出了“鲸与人类一样聪明”的观点。