- 好好先生 hǎohǎoxiānsheng yes-mana person who is overly agreeable and avoids conflict by agreeing with everyone
- 好好儿 hǎohāor perfectly goodin good condition, intact, or functioning properly
- 好好学习，天天向上 hǎohǎoxuéxí, tiāntiānxiàngshàng study hard and improvestudy hard and every day you will improve (idiom)