错失

I've thrown away my chances in life.

我一生失数次良机。

I know of no others;but there may be many that I am culpably ignorant of.

鄙人才疏学浅，可能失许多事例，但实在想不出其他。

If you hesitate too long, you will miss the opportunity.

如果你老不, 那失良机。