一世

generation / period of 30 years / one's whole lifetime / lifelong / age / era / times / the whole world / the First (of numbered European kings)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

surname Shi

life / age / generation / era / world / lifetime / epoch / descendant / noble

a whole lifetime (idiom); all my life

to consider oneself unexcelled in the world / to be insufferably arrogant

21st century

Man has but one life, grass but one spring (idiom). fig. the brevity of human existence

George I of Great Brittain

see 聰明一世，糊塗一時|聪明一世，糊涂一时[cong1 ming5 yi1 shi4 , hu2 tu5 yi1 shi2]

even the wisest can have a momentary lapse in judgment (idiom) / every man has a fool in his sleeve