Her one concern was for the health of her baby.

她唯一操心的就是孩子的健康。

《牛津词典》

One concern I have is the sweet spot.

我关心的一点就是甜点。

youdao

Button has only one concern, handling the "essence" of being a button.

按钮只有一个关心的东西，就是处理作为一个按钮的本质行为。

youdao

Right now,as schools prepare to begin a new year, one concern is the H1N1 virus, often called swine flu.

VOA: special.2009.08.13

What is this new kind of citizen again ? concerned with this kind of private virtue ? this concern for the virtue of one's soul?

新型态公民,关心的个人美德为何,关心灵魂美德是啥？

耶鲁公开课 - 政治哲学导论课程节选

The first statements, either one through four or one through five depending on your counting, but the first group of statements concern Israel's relationship with her suzerain, with God. She's to be exclusively faithful to God. She's not to bow down to any manmade image.

第一部分声明包括前四条还是前五条,取决于你的数法，它是有关,以色列人和她的宗主她的上帝之间的关系的，她应该,把上帝当作唯一的信仰，而不能敬拜任何人造的偶像。

耶鲁公开课 - 旧约导论课程节选

But right now, ministers would probably say that runaway inflation was not their number one concern.

BBC: Fairness and the welfare bill

Muller did have one concern weighing on his mind: whether a W-shaped recession is still possible.

FORBES: Spyker CEO On Saab Takeover

Many corporate clients are annoyed at the HTC dropping calls, that is their number one concern.

FORBES: Sprint Business Chief: BlackBerry Is Resilient