于是，泥鳅找了一块破碗碴儿，把特务的牙给撬了个缝，一股黑水从牙缝里淌出来。

Then, Niqiu found a small piece of a broken bowl. With the help of this shard, wedged between the teeth of the spy, Niqiu pried open the spy's mouth, and black water flowed out.