verb
to catch or tear sth on sth rough or sharp; to become caught or torn in this way （在带尖的东西上）钩住，挂破，被钩住，被挂破
~ sth on/in sth
I snagged my sweater on the wire fence.
我的毛衣被铁丝网栅栏钩住了。
~ sth
The fence snagged my sweater.
栅栏把我的毛衣挂住了。
~ (on/in sth)
The nets snagged on some rocks.
渔网缠在礁石上了。
把(尤指衣物)钩破;使绊住；If you snag part of your clothing on a sharp or rough object or if it snags, it gets caught on the object and tears. [V n on n] [V n] [V on n]
She snagged a heel on a root and tumbled to the ground…
她脚后跟被一个树根绊了一下，踉踉跄跄地摔倒在地上。
Brambles snagged his suit…
荆棘把他的西服钩住了。
Local fishermen’s nets kept snagging on underwater objects.
当地渔民的渔网老是被水下的东西钩住。
noun
(informal) a problem or difficulty, especially one that is small, hidden or unexpected （尤指潜在的、意外的、不严重的）问题，困难，障碍，麻烦 SYN difficulty
There is just one small snag—where is the money coming from?
只有一个小问题：钱从哪儿来？
Let me know if you run into any snags.
要是遇到什么麻烦就告诉我。