It's not luck that determines if you succeed or fail, it's you.

决定你成功还是失败的不是运气，而是你。

youdao

It's pot luck whether you get good advice or not.

能不能得到好的指点那就全靠运气了。

《牛津词典》

I think black cats are good luck, not bad luck.

我觉得黑猫代表好运而不是不幸。

youdao

He did not have much luck,though, the first time he went up to dunk the ball.

VOA: special.2010.07.05

If we're not having too much luck with our slides this morning, I went ahead and put this one up on the board here.

由于我们今早,没运气放幻灯片,我就把把它写在黑板上了

耶鲁公开课 - 聆听音乐课程节选

But I know that um, I don't, I'm not superstitious and I don't really believe in luck.

不过，我不是个迷信的人，我并不是真的相信运气。

沉迷于彩票的人们 - SpeakingMax英语口语达人

They believed this was due to skill, not luck, making them too sanguine about their ability to ride out the crisis.

ECONOMIST: Sometimes it helps if investors are gloomy

It was not luck that Ireland had in Shane Horgan a 6ft 4in right wing who has hands big enough to cradle a ball and can stretch his height.

BBC: Ireland coach Eddie O'Sullivan

But it is not just luck.

ECONOMIST: Islam, America and Europe