A：Is this the right counter to check in for this flight?
      这次班机是在这个柜台办理登记手续吗？

B：Yes，it is. Please put your luggage on the scale.
      是的。请您将您的行李放在称上。

A：You luggage is overweight. The free allowance for luggage is 20 kilos.
      您的行李超重了。免费行李限额是20公斤。

B：Oh, can I keep this little suitcase as hand-luggage?
      哦，那我可以把这个小手提箱随身携带吗？

A：Ok, in this way it’s just below the limit. Here’s your ticket and your boarding card.
      好的，这样您的行李刚好低于限额。这是您的机票和登记牌。

B：All right. I will begin boarding soon.
      好的，我马上要登机了。

1. （定期发给的）津贴，补助
    An allowance is money that is given to someone, usually on a regular basis, in order to help them pay for the things that they need.

    e.g. He lives on a single parent's allowance of £70 a week...
           他靠每周70英镑的单亲家庭生活补助过日子。
    e.g. She gets an allowance for looking after Lillian.
           她因为照顾莉莲而拿补贴。

2. （儿童的）零用钱
    A child's allowance is money that is given to him or her every week or every month by his or her parents.

3. 免税额
    Your tax allowance is the amount of money that you are allowed to earn before you have to start paying income tax.

    e.g. ...those earning less than the basic tax allowance.
           那些收入低于基本免税额的人

4. 限额；定量
    A particular type of allowance is an amount of something that you are allowed in particular circumstances.

    e.g. Most of our flights have a baggage allowance of 44lbs per passenger.
           我们大多数航班行李限重为每位乘客44磅。

5. 考虑到；将…计算在内；为…酌留余地
    If you make allowances for something, you take it into account in your decisions, plans, or actions.

allowance的近义词

    e.g. We'll make allowances in the schedule for time off...
           日程安排时我们会把休息时间考虑在内。
    e.g. The raw exam results make no allowance for social background.
           原始的考试成绩是不受社会背景影响的。

6. 体谅；原谅
    If you make allowances for someone, you accept behaviour which you would not normally accept or deal with them less severely than you would normally, because of a problem that they have.

    e.g. He's tired so I'll make allowances for him.
           他很累，所以我会体谅他。