Xiànzài fàngqì jiù gōngkuīyíkuì le, bìxū jiānchí xiàqù.
Giving up now would be failing for one last basketful; we must keep going.
Tips
culture
Survives almost only in the idiom 功亏一篑 ('to fall short by one basket of earth'), meaning a great effort ruined right at the finish for lack of a final small push.
