Defect

問題 /问题

wèntí

(fault or malfunction)

弱點 /弱点

ruòdiǎn

(fault or malfunction)

毛病

máobing, máobìng

(fault or malfunction)

缺陷

quēxiàn

(fault or malfunction)

缺點 /缺点

quēdiǎn

(fault or malfunction)

叛變 /叛变

pànbiàn

(to abandon; to change one's loyalty)

投敵 /投敌

toúdí

(to join the enemy)

變節 /变节

biànjié

(to abandon; to change one's loyalty)