a person or thing that cracks
精神崩溃的人；断裂（或裂开）的东西。
an installation for cracking hydrocarbons
（碳氢化合物）裂化器
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a catalytic cracker 催化裂化器。
a person who breaks into a computer system, typically for an illegal purpose
非法闯入计算机系统者，黑客。
a paper cylinder which is pulled apart at Christmas or other celebrations, making a sharp noise and releasing a small toy or other novelty
彩包爆竹（圣诞节或其他庆祝活动上用的、内装小玩具等的小礼包，拉开时会发出刺耳的声音）。
a firework exploding with a sharp noise
鞭炮，爆竹。
a thin dry biscuit typically eaten with cheese or other savoury toppings
（与奶酪或其他咸味顶饰物一起吃的）薄脆饼干；饼干。
a light crisp made of rice or tapioca flour
（用米粉或木薯粉做的）松饼
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prawn crackers 虾肉松饼。
〈英，非正式〉 好榜样；好东西，精品
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don't miss this cracker of a CD .不要错过这张精品 CD。
an attractive person, especially a woman
有魅力的人（尤指女子）。
〈美，冒犯〉 同
