脑袋瓜子

tā de nǎo dai guā zi hǎo shǐ

她的脑袋瓜子好使。

She's very clever.

tā bǎ xī guā fàng zài chē zi shang tā de nǎo dai guā zi zhēn líng

他把西瓜放在车子上，他的脑袋瓜子真灵。

He put the watermelon on his bike. He's got a good head on his shoulders.

tā nà nǎo dai guā zi tǐng cōng ming gè xìng fēi cháng jué jiàng

他那脑袋瓜子挺聪明，个性非常倔强。

He had an intellectual and characteristic head.