n. 1.残干，残根；根株；水中隐树，沉树；暗礁；〔比喻〕障碍。 2.暴牙，歪牙；缺牙；牙根。 3.意外的[隐蔽的]阻碍，困难。 vt. (-gg-) 1.在沉树上绊住；碰在沉树[暗礁]上撞坏。 2.妨碍，阻挠。 3.清除沉树[其它障碍物]。 4.迅速抓住。 5.【织】擦毛，抽丝。 6.偷取，夺取。 vi. 撞在沉树上(绊住)；形成暗礁，阻碍。 come up against a snag＝strike a snag 撞上沉树[暗礁]。 run into snags 碰钉子。 snag a pickup 〔美国〕拦到(而搭上)一辆顺路的(汽车等)。 snag the current 〔美俚〕了解(情况)。
an unforeseen obstacle 同义词：hang-up, hitch, rub,
an opening made forcibly as by pulling apart; "there was a rip in his pants"; "she had snags in her stockings" 同义词：rip, rent, split, tear,
a dead tree that is still standing, usually in an undisturbed forest; "a snag can provide food and a habitat for insects and birds"
a sharp protuberance
hew jaggedly
catch on a snag; "I snagged my stocking"
get by acting quickly and smartly; "snag a bargain"
例句与用法
1.
I have a snag in my best black tights . 我最好的一条黑裤袜给划破了。
2.
He snagged his sweater on the wire fence . 他的毛衣在铁丝网上钩破了。
3.
Her tights were badly snagged . 她的裤袜划破了一大片。
4.
A snag caught her snowshoe . 她被一条树根绊住了雪鞋。
5.
These instruments are vulnerable to cable faults and snags . 这种仪器易于缠在岩石的断块和树枝上。
6.
The apparent simplicity of this concept conceals innumerable snags . 这种表面很简单的概念却隐藏着无数的暗礁。
7.
She wondered why thurston had not warned her of this risky snag . 她奇怪为什么泽尔斯顿没有警告她提防这个危险的暗礁。
8.
The first snag occurs at some d that is preceded by an equal number of d's and h's . 在某点D第一次出现困难，在其前面有相等个数的D和H。
9.
The snag in this sort of anecdote is of course that one cannot distinguish cause and effect . 这类轶闻中的疑难处当然在于人们无法区别因与果。
10.
Then i had to look at the river mighty quick, because there was a snag in the fairway . 那时我无暇细看，两眼忙紧瞅着河面，因为在那河道上出现了一处树桩。
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