How do you say “Go up the stairs” in Japanese?「階段を上る(かいだんをのぼる)」Kaidan o noboru
"Go up the stairs" is「階段を上る(かいだんをのぼる)」in Japanese. 「(私達は)階段を10階まで上ります。」means "We’ll go up the stairs to the 10th floor. / We’ll go up the stairs to the 9th floor (British English). "「(私は)毎日階段を上り下りして運動します。」means "I exercise by going up and down the stairs every day."