1. because of:因为
e.g. He was not a particularly good shot because of his eyesight.
他视力不好,算不上是一个出色的射手。
e.g. The man was known to the police because of previous convictions.
因为有犯罪前科,警察们都认识这个人。
2. have a good time:玩得愉快
e.g. Compared to people living only a few generations ago, we have greater opportunities to have a good time.
比起上几辈人,我们有更多机会享受生活。
e.g. I'd buy a house for myself, and a new car, and I'd have a good time.
我会为自己买一套房子, 一辆新车, 我会过上好日子。