- 残缺不全 cánquēbùquán incompletefragmentary and damaged; incomplete; missing parts
- 五音不全 wǔyīnbùquán tone-deafunable to sing in tune; describes someone who sings with inaccurate pitch or poor musical sense
- 人类免疫不全症病毒 rénlèimiǎnyìbùquánzhèngbìngdú HIVhuman immunodeficiency virus
- 后天免疫不全症候群 hòutiānmiǎnyìbùquánzhènghòuqún AIDSacquired immune deficiency syndrome
- 成骨不全症 chénggǔbùquánzhèng osteogenesis imperfectabrittle bone disease; a genetic disorder characterized by bones that break easily
- 高山适应不全症 gāoshānshìyìngbùquánzhèng altitude sicknessmedical condition caused by exposure to low atmospheric pressure at high altitudes
- 人类免疫不全病毒 rénlèimiǎnyìbùquánbìngdú human immunodeficiency virushuman immunodeficiency virus or HIV, the virus that causes AIDS
