"defected" in Chinese (Simplified)
叛逃脫離（加入敵對方）
Definition
离开你的国家、团体或组织，加入对立方，尤其指出于政治或军事原因。
Usage Notes (Chinese (Simplified))
常用于政治、军事或意识形态语境，表示加入对立阵营。'Defect'书面、正式，不同于“switch sides”（非正式说法）。注意 'defected' 是动词过去式，不要与 'defective'（有缺陷的）混淆。
Examples
He defected to another country last year.
他去年**叛逃**到另一个国家。
Several soldiers defected during the conflict.
几名士兵在冲突期间**叛逃**了。
A famous athlete defected to compete for another country.
一位著名运动员**叛逃**去为另一个国家参赛。
People were shocked when she defected to the rival party.
当她**叛逃**到对手政党时，人们都很震惊。
Some of the country's top scientists defected and shared secrets abroad.
该国的一些顶尖科学家**叛逃**并在国外泄露了机密。
He defected after years of feeling ignored by the leadership.
在多年被领导层忽视后，他**叛逃**了。