- 私底下 sīdǐxia privatelyprivately; secretly; in privacy or confidence
- 天底下 tiāndǐxia in the worldin this world; under the sun; everything under the heavens
- 眼皮底下 yǎnpídǐxia under one's noseright before one's eyes; in the immediate vicinity
- 手底下 shǒudǐxia subordinates(colloquial) the people under one's control or command
- 眼皮子底下 yǎnpízidǐxià right before one's eyesright in front of someone's eyes; right under someone's nose; in one's immediate presence
- 楼底下 lóudǐxia downstairsThe ground floor of a building or the area immediately outside a building at ground level
- 大树底下好乘凉 dàshùdǐxiahǎochéngliáng to benefit from powerful connectionsLiterally "it is good to enjoy the shade under a big tree"; used to describe benefiting from the protection or influence of a powerful person or organization
- 眼底下 yǎndǐxia right before one's eyesIn front of one's eyes; at a very close distance; in full view.
- 底下人 dǐxiarén servantsservants or people of low social status; used in older contexts to refer to household staff or domestic help
- 笔底下 bǐdǐxia ability to writethe ability or skill to write; proficiency in writing
- 脚底下 jiǎodǐxia underfootunder, at, or around one's feet
- 鼻子底下 bízidǐxia right under one's noseLocated right in front of someone or very close by