かつがないで！

You've got to be kidding?

本当のわけないでしょうこれが。わたしをかついでいるんでしょう!?

Sally is getting married. Did you hear?

-You've got to be a kiddig!

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「Common American Phrases in Everyday Contexts～A detailed guide to real-life conversation and small talk～」RRichard A. Spears, Ph.D. / The McGraw-Hill Companies