alarm

alarm

名词 alarm:

fear resulting from the awareness of danger

同义词：dismay, consternation

a device that signals the occurrence of some undesirable event

同义词：warning device, alarm system

an automatic signal (usually a sound) warning of danger

同义词：alert, warning signal, alarum

a clock that wakes sleeper at preset time

同义词：alarm clock

动词 alarm:

fill with apprehension or alarm; cause to be unpleasantly surprised

同义词：dismay, appal, appall, horrify

warn or arouse to a sense of danger or call to a state of preparedness

同义词：alert