●be better off (doing sth)used to say that sb is/would be happier or more satisfied if they were in a particular position or did a particular thing（在某情况下或因做某事）更幸福，更满意She's better off without him.没有他，她活得更幸福。The weather was so bad we'd have been better off staying at home.天气非常恶劣，我们还不如待在家里舒服。