worry about troubles of one's own imagining;bark at the moon;all unnecessary fuss made by the simple-minded;fight windmills ;

The situation is not hopeless yet; why do you worry about imaginary troubles?
事情没到不可收拾的地步, 你又何必庸人自扰?
来源:互联网摘选For some reason he thinks everyone is out to get him, but he's really just tilting at windmills.
不知为什么他觉得每个人都想害他, 但其实他不过是在庸人自扰.
来源:《简明英汉词典》In his view, the perceived risks for Chinese banks are to a certain extent artificially created.
在他看来, 中资银行所谓的风险在某种程度上是庸人自扰.
来源:互联网摘选I suppose Bob's fussing too, I can't see any sign of disturbance myself in the streets.
我猜鲍勃也是在庸人自扰.我在街上看不出任何骚动的迹象.
来源:词典精选例句
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