1.
many battles; a hundred fights
A literary expression meaning 'a hundred battles' or, more broadly, 'many encounters or contests'. Used almost exclusively in fixed phrases and compounds.
彼は百戦錬磨の将軍だ。
He is a veteran general tested in many battles.
敵を知り己を知れば、百戦危うからず。
Know your enemy and know yourself, and you need not fear a hundred battles.
営業部長は交渉に慣れた百戦錬磨のプロだ。
The sales manager is a hardened negotiation pro tested in many battles.
Literary noun composed of 百 (hundred) + 戦 (battle). Almost never used alone in modern Japanese — instead appears in fixed expressions, especially the compound 百戦錬磨 and the proverb quoted in example 2.
FIXED EXPRESSIONS:
- 百戦錬磨: hardened by many battles; battle-tested; veteran
- 百戦百勝: a hundred battles, a hundred victories (undefeated)
- 百戦危うからず: never in danger even in a hundred battles
CULTURAL CONTEXT:
The most common modern use is metaphorical — 百戦錬磨 describes seasoned professionals (negotiators, salespeople, athletes), not literal soldiers.