3 sentences

1. 我真是太佩服我自己的聪明才智了。

   wǒ zhēn​shì tài pèi​fú wǒ zì​jǐ de cōng​ming cái​zhì le.

   I really admire my own intelligence.

   Source: OpenSubtitles

2. 他在工作中充分发挥了自己的才智。

   tā zài gōng​zuò zhōng chōng​fèn fā​huī le zì​jǐ de cái​zhì.

   He gave full play to his intelligence and talent at work.

   Source: Dong Chinese Dictionary

3. 他的聪明才智过人，在同龄人中出类拔萃。

   tā de cōng​ming cái​zhì guò​rén, zài tóng​líng​rén zhōng chū​lèi​bá​cuì.

   His intelligence is extraordinary, making him stand out among his peers.

   Source: Dong Chinese Dictionary