厮打

wèi le yī jiàn xīn wán jù hái zi men sī dǎ qǐ lai

为了一件新玩具，孩子们厮打起来。

The children came to blows over the new toy.

xiāng hù sī dǎ

相互厮打

exchange blows

pīn mìng sī dǎ

拼命厮打

tussle desperately

liǎng gè rén zài mén wài sī dǎ qi lai

两个人在门外厮打起来。

Outside, the two of them began fighting.