马上 Traditional form: 馬上 Pinyin (reading): mǎshàng Definitions: at once right away immediately on horseback (i.e. by military force) Characters: 马 - horse; surname 上 - above, on top, superior; to go up; to attend; previous Traditional characters: 馬 - horse; surname 上 - above, on top, superior; to go up; to attend; previous