containment
n [U] keeping sth within limits, so that it cannot spread harmfully 阻止; 遏制
Until we'd built up sufficient forces to drive the invaders back, we pursued a policy of containment. 我们对入侵之敌采取牵制的方针, 以备组织好兵力将之击退.
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.