百ひゃく戦せん錬れん磨ま

noun which may take the genitive case particle 'no'

veteran; battle-hardened; rich in experience

A yojijukugo describing someone who has been tempered by many struggles or hardships, not limited to literal battles. Often used for seasoned professionals or people with extensive life experience.

• 彼かれは百ひゃく戦せん錬れん磨まの営えい業ぎょうマンだ。

  He is a veteran salesman who has been through many tough negotiations.

• 百ひゃく戦せん錬れん磨まの経けい験けんを活いかして、新しん入にゅう社しゃ員いんを指し導どうする。

  Drawing on his wealth of experience, he mentors the new employees.