There is no cause for concern.

没有理由担忧。

《牛津词典》

There is no cause for alarm.

不必恐慌。

《牛津词典》

Her triumph was a cause for celebration.

她的胜利是庆祝的理由。

《牛津词典》

Now we're making foundations for the recovering patients, cause for some reason we can't find any explanations for the contaminations.

VOA: special.2009.04.17

It was, above all, the influence of the classics, Aristotle and Cicero in particular, that Hobbes regards as an important cause for the recent civil war and the regicide of Charles I.

霍布斯认为，正是受这些古典作品的影响，尤其是亚里士多德和西塞罗的作品，才导致了最近内战的爆发,和对查理一世国王的处决。

耶鲁公开课 - 政治哲学导论课程节选

Local people would attack the Jews, or the Jews would try to set up an extra big meeting house for themselves, and it would cause local problems.

当地人攻击犹太人，或者犹太人企图建造超大的礼拜堂，引起各种问题。

耶鲁公开课 - 新约课程节选

Clearly, a very weak job market is the prime cause for this loss of hope.

FORBES: What American Dream?

But the fact she survived four days in the wilderness was cause for celebration.

CNN: See daring rescue of hiker

So the conclusion was gay partnering, you know, male partnering was, to some extent, a cause for concern.

NPR: Tracking a New Strain of Drug-Resistant Staph