1. 聪颖;智慧;灵性
    Intelligence is the quality of being intelligent or clever.

    e.g. She's a woman of exceptional intelligence.
           她是个有着非凡智慧的女子。

2. 智力;智能
    Intelligence is the ability to think, reason, and understand instead of doing things automatically or by instinct.

    e.g. Nerve cells, after all, do not have intelligence of their own.
           毕竟,神经细胞自身并没有智力。

3. 情报;谍报
    Intelligence is information that is gathered by the government or the army about their country's enemies and their activities.

    e.g. She first moved into the intelligence services 22 years ago...
           22年前她初次进入情报部门。
    e.g. The purpose of intelligence is to provide information on how the enemy can be beaten...
           谍报的目的是提供如何打败敌人的信息。