a man who is important to you because he is a trusted friend or employee; the most important man in a situation 重要的人；密友；心腹雇员 Of course I trust you—you’re my main man! 我当然信任你，你是我的左膀右臂！ The manager said I was going to be his main man in midfield. 经理说我将成为他在中场的主要人选。 He was chosen to replace Jordan as the main man at the sportswear firm. 他被选中取代乔丹成为运动服公司的主要负责人。