sentence1: Onan knew that the offspring wouldn’t be his; and when he went in to his brother’s wife, he spilled his semen on the ground, lest he should give offspring to his brother.
sentence2: Nhưng Ô-nan biết rằng con sinh ra cũng không thuộc về mình, nên cứ để xuất tinh ra ngoài, cho Ta-ma đừng thụ thai.