frown /fraun/ vi. 皱眉，蹙额：Why are you frowning at me like that? 你为什么如此这般对我皱起眉头来? frown on/upon 不赞成：His parents frowned on his staying out late. 他父母亲不同意他在外面呆得很晚。He frowns upon gambling. 他反对赌博。