“精明的”用英语怎么说

12名特别漂亮精明的青年男子被选为参加决赛的选手。Twelve extremely good-looking, smooth young men have been picked as finalists.精明的乡下人正纷纷逃回各郡。Smart country people are fleeing back to the shires.这将是一项精明的投资。It should prove a shrewd investment....