名词

1. 人质
A hostage is someone who has been captured by a person or organization and who may be killed or injured if people do not do what that person or organization demands.

2. 被扣作人质
If someone is taken hostage or is held hostage, they are captured and kept as a hostage.

3. 受限制的人;不由自主的人
If you say you are hostage to something, you mean that your freedom to take action is restricted by things that you cannot control.

1. a prisoner who is held by one party to insure that another party will meet specified terms

Synonym: surety