differ v. 不一致，不同
例句：They differ widely in their opinions.
他們的意見分歧很大。

differentiate v．區別，區分
例句：It is wrong to differentiate between people according to their family background.
根據出身不同而區別待人是不對的。

discriminate v．歧視，區別，區別待遇
例句：It is important to teach children to discriminate between right and wrong.
教育小孩區分是非很重要。

indifferent adj. 無關緊要的，不關心的
例句：I was concentrating so hard that I was indifferent to the noise outside.
我思想高度集中，對外面的喧鬧聲毫不關心。

distinguish v. 區別，辨別
例句：The twins were so much alike that it was impossible to distinguish one from the other.
這對孿生子像得使人無法分辨。

distinct adj. 清楚的，明顯的，截然不同的，獨特的
例句：Those two ideas are quite distinct from each other.
這兩種觀點截然不同。

distinction n. 區別，差別，級別，特性，聲望，顯赫
例句：Employers should hire men and women without distintion.
雇主用人應不分男女。

discrepancy n．相差，差異，矛盾
例句：There was a discrepancy in the two reports of the research project.
關于那個研究項目的兩份報告有矛盾之處。