snag

名词 snag:

1. a sharp protuberance
2. a dead tree that is still standing, usually in an undisturbed forest
3. an opening made forcibly as by pulling apart
   同义词：rip, rent, split, tear
4. an unforeseen obstacle
   同义词：hang-up, hitch, rub

动词 snag:

1. catch on a snag
2. get by acting quickly and smartly
3. hew jaggedly

1. The negotiations struck a snag when the union leaders asked for paid holidays in addition to the usual wage increase.
   当工会领袖们要求在通常的工资增加之外还应有带薪假日时，商谈遇到了阻碍。
2. I have a snag in my best black tights.
   我最好的一条黑裤袜给划破了。