Parents worry about the possibility.

父母对该可能性感到担忧。

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While bullying is parents' greatest concern over all, nearly half of low-income parents worry their child will get shot, compared with one-fifth of high-income parents.

尽管欺凌是父母最担心的事情，但近一半的低收入父母担心他们的孩子会被枪杀，而高收入父母中只有五分之一的人担心这样的问题。

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Parents worry about the effect of music on their adolescent's behaviour.

家长们担心音乐对于其青少年子女行为的影响。

《柯林斯英汉双解大词典》

Parents also worry about the effects that personal information or pictures can have on the child's ability to get jobs or go to college.

VOA: special.2009.02.03

When we talk about testing, parents worry that it means more teaching to the test.

WHITEHOUSE: The Importance of Education Reform

Should parents worry about their kids' annual sugar bender at this, the sweetest time of the year?

CNN: Are kids eating too much sugar?

Her argument runs more or less as follows: High-powered parents worry that the economic opportunities for their children are shrinking.

NEWYORKER: Spoiled Rotten