两虎相争，必有一伤

Traditional form:

兩虎相爭，必有一傷

Pinyin (reading):

liǎnghǔxiāngzhēng,bìyǒuyīshāng

Definitions:

• lit. if two tigers fight, one will get injured (idiom)
• fig. if you start a war, someone is bound to get hurt

Characters:

• 两 - two, both, pair, couple; ounce
• 虎 - tiger; brave, fierce; surname
• 相 - mutual, reciprocal; equal; each other
• 争 - to dispute, to fight, to contend, to strive
• 必 - surely, certainly; must; will
• 有 - to have, to own, to possess; to exist
• 一 - one; a, an; alone
• 伤 - to injure, to harm; wound, injury; to fall ill

Traditional characters:

• 兩 - two, both, pair, couple; ounce
• 虎 - tiger; brave, fierce; surname
• 相 - mutual, reciprocal; equal; each other
• 爭 - to dispute, to fight, to contend, to strive
• 必 - surely, certainly; must; will
• 有 - to have, to own, to possess; to exist
• 一 - one; a, an; alone
• 傷 - to injure, to harm; wound, injury; to fall ill