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