Meaning of nǎo:
脑
brain; mind; head; essence
Wǒmen yīkào wǒmen de dà nǎo lái sīkǎo hé chuàngzào.
我们依靠我们的大脑来思考和创造。
We rely on our brains to think and create.
Wǒ juéde jīntiān wǒ de nǎozi bù tài qīngxǐng.
我觉得今天我的脑子不太清醒。
I feel like my mind is not very clear today.
Tā zǒng shì yòng tā de cōngmíng de nǎozi lái jiějué wèntí.
他总是用他的聪明的脑子来解决问题。
He always uses his clever brain to solve problems.
Dà nǎo shì rén lèi zhì huì de yuán quán.
大脑是人类智慧的源泉。
The brain is the source of human intelligence.