Meaning of bèi zi:
bèi zi
辈子
Noun
all one's life; lifetime
Tā zhè bèi zi cóng wèi qù guò Zhōngguó.
他这辈子从未去过中国。
He has never been to China all his life.
Tā yī bèizi dōu zhù zài zhège chéngshì.
他一辈子都住在这个城市。
He has lived in this city for his entire lifetime.