一群孩子对付泥鳅一个人，在水里打起水仗来。烂泥从四面八方向他扔来，打得西瓜皮咚咚直响，泥鳅转着圈儿迎击。

It was a bunch of kids against Niqiu alone, starting a battle in the water. Mud was thrown at Niqiu from all directions, hitting the watermelon skin with a thud. Niqiu, spinning in circles, retaliated.