Don't be complacent over occasional success.; Don't feel self-satisfied over a minor success.

不要沾沾自喜于一得之功。

《新英汉大辞典》

We cannot afford to be complacent about our health.

我们对我们的健康自满不起。

《柯林斯英汉双解大词典》

This is no time to be complacent.

我们没有时间自满。

youdao

The Mexican tourist, who is in stable condition, is the only case of swine flu in Hong Kong so far, but Dr.Chow says the city should not be complacent, because the virus continues to spread worldwide.

VOA: standard.2009.05.08

And those of you who have had a lot of chemistry,for the first little while it's going to be a lot of review and you're going to get complacent. Don't do it.

对于那些之前学过很多化学的学生来说,这门课刚开始会有很多复习和回顾的内容,你们可能会有点自满，千万别那样。

麻省理工公开课 - 固态化学导论课程节选

However, while the scale of the problem is different, Americans cannot afford to be complacent.

CENTERFORSECURITYPOLICY: Policing in an Age of Terror: Prevention is Best

And older people can be complacent or change-averse, or make simple things unnecessarily complex.

FORBES: Young CEOs vs. Old CEOs - Who Wins?

This is not a business in which any contender, even the heavyweight, can be complacent.

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