adjective 下载 🔗分享 丢三落四,三心二意。 Having the qualities of a scatterbrain: absent-minded, forgetful, easily distracted. Examples : "My scatterbrained brother often forgets where he put his keys and phone. " 我那个丢三落四的弟弟常常忘记把钥匙和手机放在哪儿了。 mind character person human 与AI对话词汇游戏阅读练习