- 先天性缺陷 xiāntiānxìngquēxiàn birth defect
- 出生缺陷 chūshēngquēxiàn birth defect
- 悲剧缺陷 bēijùquēxiàn tragic flawtragic flaw (Aristotle's hamartia)
- 注意力缺陷多动症 zhùyìlìquēxiànduōdòngzhèng ADHDattention deficit hyperactivity disorder (ADHD)
- 注意力缺陷过动症 zhùyìlìquēxiànguòdòngzhèng ADHDattention deficit hyperactivity disorder (ADHD)
- 人类免疫缺陷病毒 rénlèimiǎnyìquēxiànbìngdú HIVhuman immunodeficiency virus (HIV)
- 言语缺陷 yányǔquēxiàn speech defect