Eng

Do one's best...

肆力

Do one's best, Strive

勉強

Do one's best, Doubtful, Doubtfully, Force, Forced, Forces, Forcing, Inadequate, Inadequately, Inconclusive, Inconclusively, Make do, Passable, Passably, Questionable, Questionably, Reasonable, Reasonably, To force, Unbelievable, Unbelievably, Unconvincing, Unconvincingly

盡力而為

Do one's best

(Did their)