perturb
/pəˈtɜːb/verb
with obj.
1
- （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。
2
- 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。
派生词
perturbable
adjectiveperturbative
/-ˈtɜːbətɪv/ adjective （义项2）perturbingly
adverb词源
late Middle English: from Old French pertourber, from Latin perturbare, from per- 'completely' + turbare 'disturb'.