【瓮中捉鳖】〖wèng zhng zhu bi〗[catch a turtle in the jar -- a sure catch; catch a rat in the hole; catch turtles in a pot; go after an easy prey]

瓮内豺狼吞国营，

中空躲藏胆颤惊。

捉之即拿抄家缴，

鳖鸟锒铛正典刑。

从大坛子里捉王八。比喻想要捕捉的对象已在掌握之中。形容手到擒来，轻易而有把握。From big jar in catch tortoise. metaphor object want to capture already in control. Describe capture an enemy easily, light easy and has grasp. 同：十拿九稳、稳操胜券。