in a more fortunate or prosperous condition
अधिक भाग्यशाली या समृद्ध हालत में
is better off than his classmate
अपने सहपाठी से बेहतर है
she would have been better off if she had stuck with teaching
अगर वह शिक्षण के साथ फंस गई होती तो वह बेहतर हो जाती