says who? idiom
informal（在争执时表示不同意或不接受对方的说法）谁说的？
used when you are arguing with someone, to show that you do not accept or agree with what they say
You're the best? Says who? “你最好？谁说的？”
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。