on behalf of somebody | on somebody’s behalf成語所屬單字behalfon behalf of somebody | on somebody’s behalfon behalf of somebody | on somebody’s behalf — 慣用語慣用語1. Acting as a representative or substitute for someone else.1.慣用語釋義代表某人Acting as a representative or substitute for someone else.例句Sara accepted the award on behalf of her team.Diego signed the contract on his father's behalf.