the part of the face below the mouth and above the neck 颏；下巴 
A strap fastens under the chin to keep the helmet in place. 下巴下面有一条带子用来固定头盔。
Collocations Physical appearancesee also double chinPhysical appearance 外貌 - A person may be described as having:
描述一个人的长相可用 have 一词：
Eyes 眼睛 - (bright) blue/green/(dark/light) brown/hazel eyes
（明亮的）蓝／绿／（深／浅）棕色／浅绿褐色眼睛 - deep-set/sunken/bulging/protruding eyes
凹陷的／凸出的眼睛 - small/beady/sparkling/twinkling/(informal) shifty eyes
- piercing/penetrating/steely eyes
敏锐的／锐利的眼睛；冷冰冰的眼神 - bloodshot/watery/puffy eyes
布满血丝的／水汪汪的／肿胀的眼睛 - bushy/thick/dark/raised/arched eyebrows
浓密的／扬起的／弓形的眉毛 - long/dark/thick/curly/false eyelashes/lashes
长长的／浓密的／弯曲的／假的眼睫毛
Face 脸 - a flat/bulbous/pointed/sharp/snub nose
塌／蒜头／尖头／尖／短平而上翘的鼻子 - a straight/a hooked/a Roman/(formal) an aquiline nose
挺直的鼻子；鹰钩鼻；高鼻梁；鹰钩鼻 - full/thick/thin/pouty lips
丰满的／厚／薄／翘嘴唇 - dry/chapped/cracked lips
干的／皲裂的／干裂的嘴唇 - flushed/rosy/red/ruddy/pale cheeks
发红的／红润的／苍白的面颊 - soft/chubby/sunken cheeks
柔嫩的／胖乎乎的／凹陷的面颊 - white/perfect/crooked/protruding teeth
洁白的／完好无缺的／参差不齐的／凸出来的牙齿 - a large/high/broad/wide/sloping forehead
大大的／高高的／宽大的／后倾的前额 - a strong/weak/pointed/double chin
硬朗的／瘦削的／尖／双下巴 - a long/full/bushy/wispy/goatee beard
长／大／浓密的／一小撮／山羊胡子 - a long/thin/bushy/droopy/handlebar/pencil moustache
长长的／稀疏的／浓密的／耷拉着的／翘／细直的八字胡
Hair and skin 头发和皮肤 - pale/fair/olive/dark/tanned skin
苍白的／白皙的／橄榄色的／黝黑的／晒黑的皮肤 - dry/oily/smooth/rough/leathery/wrinkled skin
干性的／油性的／光滑的／粗糙的／有皱纹的皮肤 - a dark/pale/light/sallow/ruddy/olive/swarthy/clear complexion
黝黑的／苍白的／白皙的／蜡黄的／红润的／浅褐色的／黝黑的／无瑕的面容 - deep/fine/little/facial wrinkles
深深的／细小的／小的／面部的皱纹 - blonde/blond/fair/(light/dark) brown/(jet-)black/auburn/red/(British English) ginger/grey hair
- straight/curly/wavy/frizzy/spiky hair
直发；鬈发；波浪形的／鬈曲的／刺猬式的头发 - thick/thin/fine/bushy/thinning hair
厚密的／稀疏的／纤细的／浓密的／逐渐稀少的头发 - dyed/bleached/soft/silky/dry/greasy/shiny hair
染了色的／漂白了的／柔顺的／丝滑的／干性的／油性的／有光泽的头发 - long/short/shoulder-length/cropped hair
长／短／齐肩／剪短了的头发 - a bald/balding/shaved head
秃头；开始秃顶的头；剃光了的头 - a receding hairline
后移的发际线 - a bald patch/spot
秃了的一块 - a side/centre(British English) parting
Body 身体 - a long/short/thick/slender/(disapproving) scrawny neck
长／短／粗／细／干瘦的脖子 - broad/narrow/sloping/rounded/hunched shoulders
宽／窄／斜／圆／耸肩膀 - a bare/broad/muscular/small/large chest
赤裸的／宽阔的／肌肉发达的胸膛；小胸；大胸 - a flat/swollen/bulging stomach
扁平的／鼓胀的／鼓起的肚子 - a small/tiny/narrow/slim/slender/28-inch waist
纤细的／28英寸的腰 - big/wide/narrow/slim hips
大的／宽的／窄小的／苗条的臀部 - a straight/bent/arched/broad/hairy back
直的／弯曲的／弓着的／宽大的／多毛的背部 - thin/slender/muscular arms
瘦削的／细长的／肌肉发达的臂膀 - big/large/small/manicured/calloused/gloved hands
大的／小的／修剪整齐的／有老茧的／戴着手套的手 - long/short/fat/slender/delicate/bony fingers
长的／短的／粗的／细长的／纤细的／瘦削的手指 - long/muscular/hairy/shapely/(both informal, often disapproving) skinny/spindly legs
长的／肌肉发达的／多毛的／有曲线美的／皮包骨的／干瘦的腿 - muscular/chubby/(informal, disapproving) flabby thighs
肌肉发达的／胖乎乎的／肥胖的大腿 - big/little/small/dainty/wide/narrow/bare feet
大的／小的／娇小可爱的／宽的／窄的／光着的脚 - a good/a slim/a slender/an hourglass figure
好的／修长的／苗条的／沙漏形身材 - be of slim/medium/average/large/athletic/stocky build
有着苗条的／中等的／普通的／大块头的／健壮的／矮壮的身材
Extra ExamplesTopics Bodyb2He cupped her chin with his hand. 他窝起手掌托住她的下巴。 He had bits of food on his chin. 他的下巴上有食物碎屑。 He put his hand under her chin and lifted her face to his. 他用手抬起她的下巴，让她的脸对着自己的脸。 He stroked his chin thoughtfully. 他若有所思地抚摩着下巴。 Her chin was resting on his shoulder. 她的下巴靠在他的肩头。 His chin quivered and a tear ran down his cheek. 他下巴颤抖着，一颗泪珠从面颊上滑落下来。 His chin rose in a proud gesture. 他骄傲地扬起下巴。 Maria jutted her chin defiantly. 玛丽亚挑衅性地扬起下巴。 She caught him with a hard blow on the chin. 她重重地打中了他的下巴。 She sat resting her chin on her hands. 她双手托着下巴颏坐在那里。 She sat with her elbows on the table, resting her chin on her cupped hands. 她两肘支在桌子上，两手托着下巴颏坐在那 。 She tilted her chin at him defiantly. 她挑衅性地冲他扬起下巴。 Slowly lower the bar to around chin level. 将杠慢慢降到大致与下巴齐平的高度。 The juice dribbled down his chin. 汁水顺着他的下巴滴下来。
Oxford Collocations Dictionaryadjective- square
- chiselled/chiseled
- pointed
- …
- jut
- jut out
- lift
- …
- rise
- rest
- quiver
- …
- strap
- level
- beneath somebody’s chin
- under somebody’s chin
- down somebody’s chin
- …
Word OriginOld English cin, cinn, of Germanic origin; related to Dutch kin, from an Indo-European root shared by Latin gena ‘cheek’ and Greek genus ‘jaw’.
Idioms
(keep your) chin up
chuck somebody under the chin
- (old-fashioned)
to touch somebody gently under the chin (= part of the face below the mouth) in a friendly way 轻抚某人的下巴
take something on the chin (informal)
to accept a difficult or unpleasant situation without complaining, trying to make excuses, etc. （无怨无悔地）承受某事 In this business, you have to learn to take criticism on the chin. 在这一行，你必须学会接受批评。
- (North American English)
to be damaged or badly affected by something 受损；受到严重影响 Stockholders took it on the chin yesterday as markets fell sharply. 由于市场大幅下跌，股东们昨天对此颇为不满。