perturb

perturb
verb
[with obj.]

(常作 be perturbed)make (someone) anxious or unsettled
使不安，使烦恼
they were perturbed by her capricious behaviour.
她反复无常的行为令他们不安。
[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
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。

派生
perturbable
adjective
perturbative
[pəˈtɜːbətɪv, ˈpɜːtəbeɪtɪv]
adjective

perturbingly
adverb
语源

late Middle English: from Old French pertourber, from Latin perturbare, from per- 'completely' + turbare 'disturb'

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