难以衡量的是英语

illegible英 [ɪˈledʒəbl] 美 [ɪˈlɛdʒəbəl] adj.潦草;难辨认的，字迹模糊的词汇难度：TOEFL / TEM8例句：My secretary worked long hours translating my almost illegible writing into a typewritten and readable script. It is impossible to deliver this letter because the address is illegible. The words have become illegible.

成功是不能用金钱来衡量的。Success cannot be measured in terms of money.

Success can not be measured by money.

知识的价值是无法用金钱来衡量的The value of knowledge can't be measured by money