精衛填海

lit. mythical bird Jingwei tries to fill the ocean with stones (idiom); futile ambition / task of Sisyphus / determination in the face of impossible odds

surname Hai

ocean / sea / CL:個|个[ge4],片[pian4] / great number of people or things / (dialect) numerous

to fill or stuff / (of a form etc) to fill in

essence / extract / vitality / energy / semen / sperm / mythical goblin spirit / highly perfected / elite / the pick of sth / proficient (refined ability) / extremely (fine) / selected rice (archaic)

to guard / to protect / to defend / abbr. for 衛生|卫生, hygiene / health / abbr. for 衛生間|卫生间, toilet / surname Wei / vassal state during the Zhou Dynasty (1066-221 BC), located in present day Henan and Hebei Provinces

mythological bird, reincarnation of drowned daughter Nüwa 女娃[Nü3 wa2] of Fiery Emperor 炎帝[Yan2 di4]

land reclamation