alliance：指双方有共同利益的联盟，也可指联姻。

Diplomatically, the Franco-German alliance has proved unshakeable.

从外交上来讲，法德联盟已证明是不可动摇的。

league：指因有特别目的而组成的联盟，也可指家族间的联姻关系或行业中的工会等组织。

They are the league leaders now.

现在他们在联赛中排名最高。

James Hawes's first film boasts major league stars.

詹姆斯•霍斯的电影处女作明星云集，阵容强大。

union n. 结合，联合；合并；团结，一致。学生会、工会等组织。

he union countered with letters rebutting the company's claims.

工会用回信驳斥了公司的要求。

The Union of Teachers plans to canvass 40,000 members.

教师工会计划征询４万名会员的意见。

【试题精练】England and France formed a(n)____against Germany in the Second World War.

A. union

B. alliance

C. entity

D. solidarity

【答案】B. alliance (with/against) n. 结盟，联盟；联姻（如They are in alliance with each other. The American colonies joined in an alliance against the British.）。union n. 结合，联合；合并；团结，一致。entity n. 实体，独立存在体；实际存在物。solidarity n. （政治上的）团结一致。