2 the sons of heaven saw how beautiful the daughters of man were, and so they took for their wives as many of them as they chose.

2 天主的儿子见人的女儿美丽，就随意选取，作为妻子。

4 At that time the Nephilim appeared on earth (as well as later) , after the sons of heaven had intercourse with the daughters of man, who bore them sons. They were the heroes of old, the men of renown.

4 当天主的儿子与人的儿女结合生子时，在地上已有一些巨人，（以後也有），他们就是古代的英雄，着名的人物。