2. (also Christmas cracker)DL a decoratedpapertube that makes a small exploding sound when you pull it apart. Crackers contain a small gift, a paper hat, and a joke, and are used at Christmas in Britain. 圣诞彩包爆竹
4GOOD/EXCELLENTFUNNYBritish EnglishBrE spoken something that is very good or funny 好东西;有趣的事物
That was a cracker of a goal.
那记射门真漂亮。
5someone who illegally breaks into a computer system in order to steal information or stop the system from working properly 黑客,骇客〔侵入计算机窃取信息或破坏系统者〕SYN hacker
computer crackers
电脑黑客
6.WOMANBritish EnglishBrE old-fashioned informal a very attractive woman 迷人的女子