（鸟的）绒羽( down的名词复数 )；绒毛；软毛；汗毛
v.放下( down的第三人称单数 )；（尤指大口或快速地）喝下；使摔倒；击落（敌机等）
同义词：down feather
(American football) a complete play to advance the football"you have four downs to gain ten yards"
English physician who first described Down's syndrome (1828-1896)同义词：John L. H. Down
(usually plural) a rolling treeless highland with little soilfine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat of certain dogs)同义词：pile
v.drink down entirely"He downed three martinis before dinner"
同义词：toss offpopbolt downbelt downpour downdrink downkill
eat immoderately"Some people can down a pound of meat in the course of one meal"
同义词：devourconsumego through
bring down or defeat (an opponent)shoot at and force to come down同义词：shoot downland
cause to come or go down"The policeman downed the heavily armed suspect"; "The mugger knocked down the old lady after she refused to hand over her wallet"
同义词：knock downcut downpush downpull down
improve or perfect by pruning or polishing同义词：polishrefinefine-tune
adj.being or moving lower in position or less in some value"lay face down"; "the moon is down"; "our team is down by a run"; "down by a pawn"; "the stock market is down today"
becoming progressively lower"the down trend in the real estate market"
understood perfectly"had his algebra problems down"
同义词：down pat(p)mastered
extending or moving from a higher to a lower place"the down staircase"; "the downward course of the stream"
同义词：downward(a)
being put out by a strikeout"two down in the bottom of the ninth"
lower than previously"prices are down"
同义词：depressed
shut"the shades were down"
not functioning (temporarily or permanently)"we can't work because the computer is down"
low in spirits"downcast after his defeat"; "feeling discouraged and downhearted"
同义词：bluedepresseddispiriteddowncastdownhearteddown in the mouthlowlow-spirited
adv.spatially or metaphorically from a higher to a lower level or position"don't fall down"; "rode the lift up and skied down"; "prices plunged downward"
同义词：downwardsdownwarddownwardly
away from a more central or a more northerly place"was sent down to work at the regional office"; "worked down on the farm"; "came down for the wedding"; "flew down to Florida"
paid in cash at time of purchase"put ten dollars down on the necklace"
from an earlier time"the story was passed down from father to son"
to a lower intensity"he slowly phased down the light until the stage was completely black"
in an inactive or inoperative state"the factory went down during the strike"; "the computer went down again"
down on突然意识到
go down下降；平静下来；传下去；被接受
down with打倒；把…拿下
ups and downs n. 沉浮；盛衰；高低
down through在整个…的时间里
right down [口语] , ◎非常，无限 , ◎十足的，地地道道的 , 明明白白地；无隐瞒地
down to the ground彻底地，完全；在一切方面
down and out贫困潦倒的；被击倒不能再战的
down below adv. 在底下
go down with something生(病)，得(病)，患(病)
go down with被接受；染上疾病
down against (股票市场上) 与…相比下跌
get down on something[澳大利亚、新西兰英语](尤指在不需要的时候或抢在别人前面)获得某物
down to the wire等到最后一刻才开始做事，最后关头
have someone down 把某人请来作客(从城市到农村，从河流上游到下游，从北到南等用 down，反之 用 up)
do down欺骗；胜过；说…坏话
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