v. 使（某人）烦恼, 不安( perturb的第三人称单数 )

v disturb in mind or make uneasy or cause to be worried or alarmed

v disturb or interfere with the usual path of an electron or atom

v cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull

v throw into great confusion or disorder