1.evidence / evidences

　　evidence作"证据" 解时,是抽象名词;作"迹象"解时,既是可数名词又是不可数名词。

　　Is there any evidence for his guilt?

　　There are evidences that somebody has been living here.

　　2.relation / relations

　　relation作抽象名词解时,指"联系,关联";作可数名词解时,指"亲戚,亲属"。

　　The cost of this experiment has no relation to the results.

　　All of his relations came to spend their holidays at his home.

　　3.property / properties

　　property作集体名词解时,为"(财产的)总称";作可数名词解时(通常用其复数形式),为"性能,特性;(舞台上或电影中)表演用的可移动物件"。

　　The police found some stolen property hidden in the chief's house.

　　Many plants have medical properties.

　　4.doubt / doubts

　　doubt作抽象名词表示"怀疑";作可数名词表示"怀疑的念头,疑虑"。

　　There is not much doubt about it.

　　Sudden doubts came to his mind.

　　5.term / terms

　　term作可数名词解时,表示"术语;学期"等;其复数形式,表示"措辞;条件;关系"等。

　　Most schools have a fall term and a spring term.

　　I can't accept his terms.

　　6.compliment / compliments

　　compliment作"称赞;尊敬"时,通常为可数名词(多以单数形式出现);作"致意,祝贺"时,用其复数形式。

　　He paid his boss a high compliment.

　　Give my best compliments to your parents.