Don't try to win an argument in Japanese. Try to read the air ( Kuuki o yomu ). Rule #2: When someone says "Chotto..." (It's a little...), they actually mean "Absolutely impossible, but I am saving your face."
The gap between Classroom Nihongo and Real Nihongo . nihongo notes pdf
Once upon a time in the bustling wards of Tokyo, a flood of foreign professionals—engineers, bankers, and diplomats—arrived to ride the wave of Japan’s economic miracle. They were smart, highly educated, and utterly lost. Don't try to win an argument in Japanese