It has several meanings. One meaning is that a person who never settles down in one place will not be successful.

VOA: special.2009.06.21

So hopefully we will be successful.

希望我们会成功。

麻省理工公开课 - 化学原理课程节选

that will be a lot more successful than trying to cram a lot of vocabulary words right away.

那样会比一下子塞给自己很多单词要好得多。

有这样的困难 - SpeakingMax英语口语达人

U.S.Secretary of State Hillary Clinton has said there will be consequences for Pakistan if Pakistani-based terrorists launch a successful attack on U.S.soil.

VOA: standard.2010.05.18

Most of the luck is bad; it's hard to succeed, and with some combination of luck, skill, determination and hard work all of that will decide which of these farmers will be successful and which will not.

靠投机取巧是很难成功的,只有包含着运气,能力,意志和勤奋的所有因素才能角逐出,哪些农民会获取成功,哪些会遭受失败

耶鲁公开课 - 古希腊历史简介课程节选

Smith says it is not known whether or not Hariri's second attempt will be more successful.

VOA: standard.2009.09.24

All right. So let's test what we, in fact, know about the photoelectric effect, and before we do that actually, we're going to calculate what we would predict, so when we do the demo it will be meaningful and we can tell whether we're successful or not.

好的，我们来测试一些，我们实际上懂了,多少光电效应的东西，在我们做测试之前，我们先算一下我们能预知什么，这样我们做的测试会很有意义,并且也知道我们是否成功了。

麻省理工公开课 - 化学原理课程节选

If the Nairobi summit is successful, the Copenhagen talks will mark the first time Africa will be entering the global climate change negotiations under a common position.

VOA: standard.2009.10.13

Two and two things along mattered in terms of determining who will be the extraordinarily successful and the rest: the first thing was the extraordinarily successful groups really believe in themselves.

只有两件事会决定谁会成为格外成功的人,和其余的人上有关系：,第一是那部分人真的相信自己。

哈佛公开课 - 幸福课课程节选

He is optimistic his chemotherapy treatment will be just as successful.

VOA: standard.2010.03.18

Anyway, you have to overcome these-- you have to think that ... if you go into the field you would probably-- If you're successful-- you would probably end up as a philanthropist; but no movie will be made about your life and you may encounter hostility the whole way.

不管怎样，你们要克服这种想法-,你们要认为,如果你进入这一行，你很可能-,如果你成功了-,你很可能成为一位慈善家;,但是不会有电影记录你的人生,而且你可能整天遭受白眼。

耶鲁公开课 - 金融市场课程节选

Iqbal Khattak, a Peshawar-based journalist for the Daily Times newspaper, says for the army to be successful in South Waziristan, it will also be crucial for it to exploit tribal tensions that exist between the Mehsuds and Wazirs, the two major clans in the region.

VOA: standard.2009.06.18