The ANC was forced to go underground when its leaders were arrested.
领导人被捕之后,非洲人国民大会被迫转入地下。
朗文当代高级英语词典 第6版
After the violent clashes of 1981 they either went underground or left the country.
经历了1981年的激烈冲突之后,他们或转入地下,或离开了该国。
《柯林斯高阶英汉双解学习词典》
They caved in the roof of the underground passage with powerful explosives.
他们用强大的炸药把地下通道的顶部炸塌陷了.
《简明英汉词典》
