tab

柯林斯词典

1. N-COUNT A tab is a small piece of cloth or paper that is attached to something, usually with information about that thing written on it. 标签
A clerk had slipped the wrong tab on Tony's X-ray . 一位职员失手把一个错误的标签贴到了托尼的X光片上。
2. N-COUNT A tab is the total cost of goods or services that you have to pay, or the bill for those goods or services. 总价钱; 帐单[美国英语]
At least one estimate puts the total tab at $7 million. 至少有一种估计认为总价达7百万美元。
3. PHRASE If someone keeps tabs on you, they make sure that they always know where you are and what you are doing, often in order to control you. 密切监视[非正式]
It was obvious Hill had come over to keep tabs on Johnson and make sure he didn't do anything drastic. 显然，希尔是来严密监视约翰逊的，以确保他不做什么过激的事。
4. PHRASE If you pick up the tab, you pay a bill on behalf of a group of people or provide the money that is needed for something. (代表一群人) 付帐; 承担全部费用[非正式]
Pollard picked up the tab for dinner that night. 波拉德为那天的晚宴付了帐。