It soon became clear that we were onto a winner.

我们很快发现自己成功了。

If he could fill that need, he would be onto a winner.

如果他能满足这一需要，他就会成为赢家。

Genes that offer a successful and fertile youth are onto a winner.

提供成功和多产的年轻人的基因是胜利者的基因。