她无法集中注意力可能会导致意外。

Her inability to concentrate could cause an accident.

《柯林斯英汉双解大词典》

那时候的她无法集中注意力，总是坐立不安。

She couldn't concentrate, she was 18 fidgeting.

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所以玛丽决定晚饭后做她的家庭作业，但她无法集中注意力，她去看电视。

So Mary decides to do her homework after dinner, but she can't focus her attention and she goes to watch TV.

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