1. be better off 更富裕,生活更好。如:
We are much better off now.
我们现在的生活好多了。
Today's pensioners are better off than they used to be.
现在靠养老金生活的人比他们原来生活要更好些。
注:有时后接 without, 意为:没有……生活反而更好。如:
We'd be better off without them as neighbours. 要是没有他们这样的邻居,我们就会过得更愉快了。
2. be better off (doing sth) 最好做某事,做某事很明智。如:
He was better off giving her some flowers. 他给她送花,那是明智之举。
He'd be better off going to the police about it. 他最好把这件事报告警方。