Disconfirmation
n. 不确认；失验
🗣️ 情景例句
Hello. Is Susan there?
喂，是苏珊吗？
I know. Save your breath!
早就知道了，还用你说！
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。