defect
n
fault or lack that spoils a person or thing 缺点; 不足之处; 毛病; 瑕疵
a defect of character 性格上的缺陷
mechanical defects in a car 汽车的机械缺陷
defects in the education system 教育制度的不足之处. =>Usage at mistake1 用法见mistake1.
defect v [I, Ipr]
~ (from sth) (to sth) leave a party, cause, country, etc, and go to another 背叛; 叛变; 叛党; 脱党; 叛国; 投敌; 变节
She defected from the Liberals and joined the Socialists. 她脱离自由党, 加入了社会党.
One of our spies has defected to the enemy. 我们的一名特工已叛变投敌.
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.