someone who is taken as a prisoner by an enemy in order to force the other people involved to do what the enemy wants

She was taken/held hostage by the gunmen. 她被持枪歹徒劫持作人质。

The terrorists have seized 20 hostages and are threatening to kill one a day unless their demands are met. 恐怖分子劫持了20名人质，并威胁除非他们的要求得到满足，否则将每天杀掉一名人质。

hostage to fortuneidiom 将来可能会引起麻烦的言行;冒险行为;冒险言论