Grasp the good opportunity, once missed, there is no chance.

把握好机会，一旦错过了，就没有机会了。

youdao

There are things once missed, you have no fortune; once seized, you have got happiness.

有些事。错过了。就是没缘分。抓住了。就是幸福。

youdao

Once you missed, you missed it forever.

一旦你错过了，你就永远错过了。

youdao

When the country missed a September 15 deadline for publishing the voter list, many feared that setback would once again delay the vote.

VOA: standard.2009.09.29

Shaun Marcum, who once missed a year to elbow surgery and then missed part of last year due to more elbow problems, is a worrisome prospect himself.

WSJ: The Mets Are Pitching by the Numbers

As governor of the Dutch central bank, a post he held for 15 years, he once missed a meeting of Europe's powerful monetary committee to play a match.

ECONOMIST: Wim Duisenberg, in the rough

In 2006, the author of The Player of Games, once famously missed a deadline because he was busy playing Civilization.

FORBES: Why Dying Author Iain M. Banks Has My Undying Gratitude