adj (1)厚的，粗大的(big in size from the front to the back or the top to the bottom)：～lines/wire 粗线/粗电线;a～board/book/coat 一块厚板/一本厚书/一件厚外套;a～pane of glass/slice of bread 一片厚玻璃/厚面包片;a piece of wood three inches～一块三英寸厚的木头;give sb/get a～ear 把某人的耳朵打肿/耳朵被打肿;

(2)茂(浓)密的，密集的，浓的(in which the parts are very close to each other)：a～forest 茂密的森林;Her hair is long and～. 她的头发又长又多。the～est part of a city 一座城市里最拥挤的地方;〖同〗dense，crowded;〖反〗bare，empty;

(3)粘(浓、稠)的((of a liquid) that does not flow as easily as water)：～paint/glue/oil/syrup/gravy/soup/tomato sauce 黏稠的油漆/胶水/油/糖浆/肉汁/浓汤/番茄调味汁;Blood is～er than water. 血浓于水;〖同〗dense，heavy，condense;〖反〗thin，watery;

(4)混浊的，看不清的，浓的(unclear;hard to see through)：～fog/mist/cloud/smoke/darkness 浓雾/大雾/浓云/浓烟/漆黑;〖同〗dense;

(5)充满的;密布的(having a great number of;abounding in things，persons)： (room) be～with guests/reporters/flies(房间里)挤满了客人/挤满了记者/飞满了苍蝇;(air)～with smoke (空气中)浓烟弥漫;(furniture) be～with dust (家具上)覆盖着厚厚的一层尘土;(marsh) be～with mosquitoes (沼泽地里)蚊子密集;

(6)不清楚的，沙哑的，(口音)重的((of a person's voice) rough，not clear;(of an accent)very noticeable，heavy)：a～German accent 很重的德国口音;The illness made his speech～. 他因病而讲话声音沙哑。〖同〗strong，heavy;〖反〗clear，distinct;

(7)迟钝的，愚笨的(lacking mental quickness;slow)(infml)：Don't be so～! 别那么迟钝!a～head 笨脑子;as～as two short planks 非常愚蠢;(have)a～skull 愚笨;〖同〗stupid，dull，slow;〖反〗sharp，smart，clever，intelligent，keen;

(8)要好的;亲密的(very friendly with each other)[A(with)]：be very～with sb 与某人非常要好;(as)～as thieves 非常要好;〖同〗close，intimate，familiar，friendly;〖反〗unfriendly，hostile;

a bit thick 不合理：They thought it a bit～when he called himself a genius. 他自称为天才，人们认为那太过分了。

adv(1)厚(密)地(thickly，in a thick way)：(snow/leaves) lie～on the ground 地上(雪/树叶)积得很厚;spread the jam/the butter too～涂的果酱/黄油太厚;(flowers/bushes)grow～est near the wall/in damp places(花/灌木丛)在墙边/潮湿的地方长得最密;

thick and fast 大量而急速地;又快又多：The bullets were flying～and fast. 子弹密集地飞过。

n (1)最密集(繁忙)的地方(thickest part of sth;busiest or most active part of sth)[C]：be in the～of the forest/the fight/the battle/the traffic 在密林深处/激战中/激战中/交通密集的地方;

through～and thin 在任何情况下;不顾艰难险阻： A real friend is one who will stand by you through～and thin. 真正的朋友是能与你同甘苦共患难的人。

→′thicken v 变得更厚;′thickening n 增稠剂;′thickener n 增稠剂;′thickness n 厚(浓/密)度;粗;͵thick-′headed adj 愚蠢的;͵thick′set adj 矮胖的;͵thick-′skinned adj 厚脸皮的