再接再勵

- make unrelaxed [unrelenting] efforts; advance from strength to strength; at grips with; continue to exert oneself; in a sustained way; make persistent efforts; make redoubled [unremitting; persistent] efforts; make sustained and even greater efforts; redouble one's efforts; struggling hard with; follow up; strive still harder and press forward; with reanimated courage; work ceaselessly and unremittingly [unrelentingly]