精衛填海 [ㄐㄧㄥ ㄨㄟˋ ㄊㄧㄢˊ ㄏㄞˇ; jing1 wei4 tian2 hai3] lit. mythical bird Jingwei tries to fill the ocean with stones (idiom); futile ambition task of Sisyphus determination in the face of impossible odds ◄ ►