1. 小甜饼;曲奇
A cookie is a sweet biscuit.

2. 意志坚定的人;强硬的人;硬汉
If you say that someone is a tough cookie, you mean that they have a strong and determined character.

3. “甜饼”，网络跟踪器(记录上网用户信息的软件)
A cookie is a piece of computer software which enables a website you have visited to recognize you if you visit it again.

1. a short line of text that a web site puts on your computer's hard drive when you access the web site

2. any of various small flat sweet cakes (`biscuit' is the British term)

Synonym: cookybiscuit

3. the cook on a ranch or at a camp

Synonym: cooky