元老;資深前輩;老前輩
a / the grand old man (of sth)
a man who is respected in a particular profession that he has been involved in for a long time
James Lovelock, the grand old man of environmental science詹姆斯 · 洛夫洛克,環境科學的元老
釋義來自《牛津高階英漢雙解詞典》第 9 版