frown on 词形变化: 副词: frowningly | 名词: frowner | 动词过去式: frowned | 动词过去分词: frowned | 动词现在分词: frowning | 动词第三人称单数: frowns | 同义词: scowl | glower | lower | glare | pull a face | pout | gloom | mouth | mug | displeased | look | sullen | lour | 反义词: smile |