n.

1. 超载
2. 额外费
3. 改值加盖
4. 过高的要价
5. 非法动用的公款

vt.

1. 对……收取附加费，罚款
2. 在……上盖上改值印戳
3. 装载过多
4. 使负担过重

n.

1. an additional charge or payment.
   ▸Brit. an amount in an official account not passed by the auditor and having to be refunded by the person responsible.
   ▸the showing of an omission in an account for which credit should have been given.
2. a mark printed on a postage stamp changing its value.

v.

1. exact a surcharge from.
2. mark (a postage stamp) with a surcharge.