be completely surrounded and impossible to escape 插翅难飞

插翅难飞，汉语成语，意思是插上翅膀也难飞走（cannot escape even with wings）。比喻陷入困境，怎么也逃不了。可以翻译为“be completely surrounded and impossible to escape”。

例句：

监狱戒备森严，犯人插翅难飞。

The prison is so heavily-guarded that prisoners are unable to escape even with wings.