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。