Mǎ hè
Mach (name)
Ernst Mach (1838-1916), German physicist
Mach (aeronautics), unit of speed based on speed of sound = 1 Mach = 1224 km per hr
Shū mǎ hè
Michael Schumacher (1969-), former German racing driver
Mǎ hè shù
Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr