脑瓜 (nǎo guā) — (colloquial) head; (colloquial) mind, brains, mentality, ideas

Definition

Examples

• 他脑瓜很聪明。
  Tā nǎo guā hěn cōng ming.
  He is very smart (lit. his head is very smart).
• 我昨天撞到了脑瓜，现在还疼。
  Wǒ zuó tiān zhuàng dào le nǎo guā, xiàn zài hái téng.
  I hit my head yesterday, it still hurts.
• 他脑瓜里全是好主意，真是个聪明人。
  Tā nǎo guā lǐ quán shì hǎo zhǔ yì, zhēn shì gè cōng ming rén.
  His head is full of good ideas; he's really a smart person.