武王伐纣

wǔ wáng fá zhòu

King Wu of Zhou 周武王[Zhou1 Wu3 wang2] overthrows tyrant Zhou of Shang 商紂王|商纣王[Shang1 Zhou4 wang2]

martial

wáng

king or monarch

to cut down

zhòu

crupper (harness strap running over a horse's hindquarters and under its tail)