末伏

the third of the three annual periods of hot weather (三伏[san1 fu2]), which typically runs over the middle ten days of August

surname Fu

to lean over / to fall (go down) / to hide (in ambush) / to conceal oneself / to lie low / hottest days of summer / to submit / to concede defeat / to overcome / to subdue / volt

tip / end / final stage / latter part / inessential detail / powder / dust / opera role of old man