詞彙精選：snap的用法和辨析
一、詳細釋義：
adj.
突然的，冷不防的；迅速的
例句：
Potential readers can make snap decisions in just 50 milliseconds.
潛在的讀者在短短50毫秒內就可能做出突然決定。
例句：
They carry out a snap check on the expense account.
他們對費用戶口進行了突然的審查。
啪一聲關上或扣上的；用彈簧的
例句：
When Caroline Meeber Boarded the afternoon train for Chicago, her total outfit consisted of a small trunk, a cheap imitation alligator-skin satchel, a small lunch in a paper Box, and a yellow leather snap purse,
當嘉洛林·米貝登上下午開往芝加哥的火車時,她的全部行裝包括一個小箱子,一個廉價的仿鱷魚皮挎包,一小紙盒午餐和一個黃皮彈簧錢包,
【美】【俚】很容易的
例句：
Some lazy college students take snap courses.
有些懶惰的大學生選擇容易的課程。
例句：
Astronomy is no snap course.
天文學可不是一門容易讀的課程。
adv.
啪地一聲；猛然
例句：
The door behind Obi-Wan, Anakin, Floria, and Dane slid shut. They heard the security locks snap.
歐比萬等人身後的門突然關上了，他們聽到安全鎖關閉的聲音。
n.
猛咬；猛撲；攫奪 [C]
例句：
Never "snap" the lead leg down -- this jerks the trunk back (action-reaction) and out of good sprint position.
不要用腳掌“猛咬”地面，這樣會使身體向後急推（運動的反作用力）而脫離良好速跑狀態。
例句：
The dog made a snap at the bone.
狗猛咬骨頭。
突然折斷 [C]
例句：
Suddenly the branch that he be stand on snap off
他踩著的樹枝突然啪的一聲折斷了
例句：
Tom stepped on a stick, and it broke with a sharp snap.
湯姆啪地一聲，踩斷了一根樹枝。
劈啪聲；厲聲的斥責 [C]
例句：
More than once he could distinguish their footsteps, as they brushed the sassafras, causing the faded leaves to rustle, and the branches to snap
他不止一次地聽到了他們的腳步聲，那踩在樟樹枝上使敗葉發出的沙沙聲，以及使樹枝折斷的劈啪聲。
例句：
He called the waiter with a snap of his fingers.
他用捻手指發出的劈啪聲召喚侍者。
天氣突變（尤指轉冷）[C]
例句：
The cold snap did not lift for a week. Every day we skated through the forest.
寒冷的天氣持續了一個星期，氣溫也沒有回升，每天我們滑着冰穿過森林。
例句：
There was a cold snap after Christmas.
聖誕節後出現一段寒冷天氣.
快照 [C]
例句：
Here is some of our holiday snap.
這些是我們的上些假日快照。
活力，生氣，精力 [U]
例句：
There is no snap left in him.
他一點精力都沒有了。
薄脆餅 [C]
【美】【口】輕鬆的工作
例句：
Come September, though, he won's be on a college campus. "I have enough money in the bank, and college would be a snap, he says.
然而，到了9月，他卻不想大學了，他說：“我在銀行裏有足夠的錢，上大學是很容易的事。
例句：
The new computer program was a snap to learn.
新的計算機程序很容易學會。
windows8 的應用貼靠功能
v.
猛咬 [T]
例句：
They are brutal. They can snap each other's jaws, tails, flippers, lacerate blowholes.
他們非常殘酷，他們全方位攻擊對手：咬咽喉、尾巴、鰭肢，撕裂呼吸孔。
突然折斷；拉斷 [T]
例句：
I could snap your neck like a carrot.
我可以把你的脖子掐斷，同折斷一根胡蘿蔔一樣，不費吹灰之力。
例句：
It sounded like someone just snapped a twig right behind me.
好象是有人在我背後折斷了一根小樹枝。
使發劈啪聲；捻（手指）使劈啪作聲；啪地關上（或打開等）[T]
例句：
He shoved the last few remaining things he had laid out into his valise and snapped it with a vengeance.
他把已經找出來的最後幾件東西一下子塞進旅行箱，怒衝衝地啪地關上蓋子。
例句：
She snapped the door shut.
門在我身後啪地一聲關上了。
厲聲說；怒氣衝衝地頂撞（或打斷）(+out) [T]
例句：
"I'm not mad," she snapped. "I'm merely asking you for a season ticket."
“我沒發火，"她厲聲說，"我只是要你弄一張全賽季的票。”
例句：
She snapped back,"Listen to me."
她厲聲說到：“聽我說。”
用快照拍攝 [T]
例句：
I'll snap the child when he runs to me.
我要在這孩子朝我跑過來時，給他搶拍一張。
例句：
He was snapped by top photographer.
他由頂級攝影師拍照。
咬；攫；抓(+at) [I]
例句：
The fish snapped at the bait.
魚咬住了魚餌。
例句：
Your dog snapped at me.
你的狗咬了我。
劈啪地響；（門等）咯嗒一聲關上 [I]
例句：
Most pine snaps as it burns.
大多數松木燃燒時都發出噼啪聲。
例句：
The wood in the fire snapped as it burned.
在火中木柴燃燒時劈啪啪地響。
啪地一聲折斷；（神經等）突然崩潰 [I]
例句：
The violin string snapped because it was fastened too tight.
小提琴的弦上得太緊，突然斷了。
例句：
This final misfortune caused his mind to snap.
最後這次不幸事件使他的精神一下子崩潰了。
厲聲責罵(+at) [I]
例句：
She snapped at Celia,"You have a nerve."
她怒氣衝衝地對西莉亞說：“你臉皮可真厚 。”
例句：
I' m sorry I snapped at you just now.
對不起, 我剛纔不該對你嚷嚷.
二、詞義辨析：
bite,chew,gnaw,snap
這些動詞均含有“咬、啃”之意。bite指用牙齒鉗住或切斷，或咬一口。chew指用牙磨碎。gnaw指連續不斷用齒咬。snap指突然猛咬。
三、相關短語：
snap at
phr. 抓住，咬住，厲聲對…喝道
snap off
突然折斷,砰地關上
snap up
把 ... 搶到手，爭購
snap bean
四季豆，豆莢
snap fastener
n.按扣,撳扭
snap ring
開口環，釦環，止動環，彈簧鎖環，彈性擋圈，卡環，壓圈
cold snap
n. 寒流
ginger snap
薑汁餅乾
snap roll
(一種特技飛行)快滾
四、參考例句：
Snap out of it.
快別這樣了。
Astronomy is no snap course.
天文學可不是一門容易讀的課程。
Snap up these unconsidered trifles.
以下就是莎士比亞不爲人知的方面。
The course was a snap for him.
這課程對他來說是太輕鬆了。
There is no snap left in him.
他一點精力都沒有了。
Some lazy college students take snap courses.
有些懶惰的大學生選擇容易的課程。
Why did I snap at my husband?
爲什麼我對我的丈夫厲聲說話？
You should snap out of your sadness.
你得擺脫你的悲傷情緒。
Shaft snap ring in groove on shaft.
將軸承及護脂氈圈緊靠在卡環上。
There was a cold snap after Christmas.
聖誕節後出現一段寒冷天氣.
