threatens
词形变化：
副词: threateningly | 名词: threatener | 动词过去式: threatened | 动词过去分词: threatened | 动词现在分词: threatening | 动词第三人称单数: threatens |
threatens
词形变化：
副词: threateningly | 名词: threatener | 动词过去式: threatened | 动词过去分词: threatened | 动词现在分词: threatening | 动词第三人称单数: threatens |