the difference between life and death...comes down to confidence.生与死的差异取决于信心

come down to可归结为

Our choices come down to ging or staying.

我们的选择可归结为是去还是留的问题。

The question comes down to whether we ought to act upon his advice.

问题归结到我们是否应该按照他的建议去做。

We gotta go over.我们得翻过去

go over越过

Don't go over that line or your throw won't count.

别越过那条线，否则你的投掷就会被判无效。

He went over and laid down his cup on the tray.

他走过去把茶杯放到茶盘上。