alarm1/əˋlɑrm; əˈlɑːm/n 1 [C] a piece of equipment that makes a noise to warn people of danger 警报器: burglar/fire/smoke alarm 防盗/火警/烟雾警报器He set off the alarm (=made it start ringing) by accident. 他无意间碰响了警报器。Someone's car alarm was going off (=making a noise). 谁的汽车警报器在响。2 [U] a feeling of fear because something bad might happen 惊恐﹐惊慌: +at Many people expressed alarm at the plans. 很多人都对这些计划表示恐慌。in alarm They both jumped back in alarm. 他们俩都吓得往回一缩。3 [C] an alarm clock 闹钟: I’ve set the alarm for six o’clock. 我把闹钟定在 6 点钟。4 raise/sound the alarm to warn people that something bad is happening 发出警报: A neighbour heard shouting and raised the alarm. 一个邻居听见喊叫声﹐便发出警报。5 alarm bells ring if alarm bells ring, you worry that something bad is about to happen 警钟敲响﹐引起警觉: When she didn’t arrive by 9, alarm bells started to ring. 到了 9 点她还没到﹐不禁让人担心起来。false alarm at 见 FALSE
alarm2v [T] to make someone feel worried or frightened 使不安[恐慌] —alarmed adj : He was rather alarmed to find her there. 发现她在那儿他很担心。