(常作
使不安,使烦恼
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they were perturbed by her capricious behaviour 她反复无常的行为令他们不安
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[with obj. and clause]
he was perturbed that his bleeper wouldn't work .他担心传呼机不能正常工作。
subject (a system, moving object, or process) to an influence tending to alter its normal or regular state or path
使混乱,干扰,搅乱
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nuclear weapons could be used to perturb the orbit of an asteroid .核武器可用于改变小行星运行轨道。
"late Middle English: from Old French