human shield (战斗等中用来抵挡敌方进攻的)人体盾牌，人肉盾牌，人墙

【例句】
The hostages were used as a human shield.
人质被当成了人体盾牌。

The prosecutor also said a battalion commander had been disciplined for allowing his soldiers to use a Palestinian as a human shield.
这位检控官还表示，一位营指挥官因纵容士兵使用巴勒斯坦人作为人肉盾墙而受到惩罚。