名词

1. (常配干酪一起吃的)薄脆饼干
A cracker is a thin, crisp biscuit which is often eaten with cheese.

2. 有魅力的人;令人喜爱的事物
If you say that someone or something is a cracker, you like and admire them very much.

3. 彩色爆竹，彩色拉炮(在英国主要用于圣诞节，通常装有小玩具和纸帽)
A cracker is a hollow cardboard tube covered with coloured paper. Crackers make a loud noise when they are pulled apart and usually contain a small toy and a paper hat. In Britain they are used mainly at Christmas.

4. 疯狂的;发狂的
If you say that someone is crackers, you think they are crazy or are behaving as if they are crazy.

1. a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends

Synonym: snappercracker bonbon

2. firework consisting of a small explosive charge and fuse in a heavy paper casing

Synonym: firecrackerbanger

3. a thin crisp wafer made of flour and water with or without leavening and shortening
unsweetened or semisweet

4. a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things

e.g. crackers are often mistakenly called hackers

5. a poor White person in the southern United States

Synonym: redneck