二虎相斗,必有一伤

èr hǔ xiāng dòu , bì yǒu yī shāng

see 兩虎相爭,必有一傷|两虎相争,必有一伤[liang3 hu3 xiang1 zheng1 , bi4 you3 yi1 shang1]

èr

two

tiger

xiāng

each other

dòu

to fight

,

certainly

yǒu

to have; there is

one

shāng

to injure