Hard work is often an essential ingredient of luck because it enables one to take advantage of a lucky encounter.

努力工作通常是运气的重要组成部分，因为它能让人具备利用幸运际遇的能力。

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Lucky people consistently encounter such opportunities, whereas unlucky people do not.

幸运的人始终会遇到这样的机会，而不幸的人却遇不到。

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Finally, be a good thing, not lucky, and sometimes, there must be in front of painstaking efforts, have a chance encounter later.

最后得到好东西，不是幸运，有时候，必须有前面的苦心经营，才有后面的偶然相遇。

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In his blog he tells how he was lucky to encounter the massive pod.

BBC: Earth News - Massive killer whale pod sighted

But if you're lucky, you'll encounter a few guests who have unusual jobs and even more unusual stories.

CNN: Jobs that make good party conversation