Definition: to gradually get nearer to someone, usually in order to attack them or stop them escaping Level: C2
警察逐渐包围了示威者。
Police ___closed ___in on the demonstrators.
敌军正在逼近我们的阵地。
The enemy is ___closing ___in on our position.
随着狼群开始嚎叫，黑暗逐渐笼罩下来。
Darkness ___closed ___in as the wolves began to howl.
