effort /ˈefət/ n. 努力;［c］一次一次的努力;［u］总体努力：useless efforts 无用的努力； concentrate one’s efforts on…集中精力干某事 But all these efforts had ended in failure.可惜所有这些努力都以失败告终 make (an) effort (做出)努力：Jennie made a great effort to recover herself. 为了恢复身体珍妮做出了很多努力。