Meaning of hé bù:
hé bù
何不
Adverb
why not?
Nǐ xiànzài hěn lèi, hé bù xiūxí yīxià ne?
你现在很累，何不休息一下呢？
You are very tired now, why not take a break?
Particle
why not do (sth)?
Zhōumò wǒmen hé bù qù gōngyuán sànbù ne?
周末我们何不去公园散步呢？
Why don't we go for a walk in the park this weekend?
