老手 old hand; old stager; veteran 击剑他是老手。 he is an old hand at fencing
老练 seasoned; experienced; tactful; know one's way around [about]: 他办事很老练。 he is experienced and works with a sure hand. 我是个老练的人, 你骗不了我。 you can't fool me; i wasn't born yesterday
老于世故的;老练的,非常有经验的 sophisticated a. having or showing a knowledge of social life and behaviour