adj (1)平静(无浪，无风)的((of water) without large waves;(of the weather) not windy)：The water/sea is～.水面上/海面上风平浪静。It was ～/a～day. 天气平静无风。～weather无风天气;the～lake 平静的湖水;a～autumn evening一个无风的秋日傍晚;〖同〗quiet，still，motionless，smooth;〖反〗stormy，rough，violent，fierce，wild;

(2)安静的，镇(冷)静的(not excited or nervous;peaceful，quiet)：keep/stay/remain/feel/be～in an emergency紧急时刻保持/仍然/仍然/感到/表现镇定;speak in a～voice/mood用冷静的语气/镇静地说;He/His face/The city was～.他/他的脸(上表情)/城市是平静的。a～manner镇静的举止;〖同〗unexcited，cool;〖反〗excited，troubled，worried;

→′calmly adv 平(安，冷，镇)静地;′calmness n 平(安，冷，镇)静;

n (1)平静(无浪，无风)(lack of motion or winds)[C，U]：the～of the sea/the lake海/湖面上的平静;There was a～on the lake.湖面上风平浪静。After the storm came a～on the sea.暴风雨过后海面上风平浪静。〖同〗calmness，stillness，smoothness，windlessness;〖反〗violence，fierceness，wildness;

(2)安(宁，冷，镇)静(condition of peace and quiet;absence of excitement or worry)[C，U]：The scream blasted the～of the evening/the room.那尖叫声打破了傍晚/室内的宁静。C～ has returned to most areas.大多数地区又恢复了平静。There was an uneasy～.静得令人感到不安。It was a dead～.死一般寂静。Her～in the face of disaster is amazing.她面对灾难所表现出的冷静令人惊讶。sit down with deceptive～ 故作镇静地坐下;react with～反应镇静;〖同〗calmness，coolness;

v(使)安(镇，冷)静((cause to) become calm)[I，I+adv(down)，T+n，T+n+adv (down)]：She/The wild horse/The wild wind/The sea～ed(down).她/烈马/狂风/大海平静下来了。The situation～ed down.局势平静下来了。～oneself/a child使自己/小孩平静下来;～one's fears/one's mind使自己不害怕/心中镇静下来;〖同〗quiet;〖反〗excite，disturb;

【辨异】calm与silent、quiet和still² 既指人又指物，皆表示“静”。calm 指人“镇静”，水或天气“平静”(无风无浪);silent(寂静的，无声的)只指没有任何声音，如：a silent film/machine(无声电影/无声音的机器);quiet(寂静的，安静的)，指相对的静，如：a quiet machine(轻声运转的机器)，a quiet road with few cars(很少有车辆行驶的寂静道路);still²(寂静的，静止的)指不动也无声的，如：still water(静水)，a still night(静静的夜)。