英语近义词辨析 1、blunder, error, mistake 这一组词都表示"错误"。 blunder n. (因为无知、疏忽犯下的大错，愚蠢的错误。 I think that I committed a blunder in asking her because she seemed very upset by my question. error n.指判断、计算或行为上的错误，也指智力或道义上的错误。 The accident was the result of human error. mistake n.误会，误解；(粗心、遗忘所导致的错误。 I took your bag instead of mine by mistake. 2、brittle, fragile, frail, crisp, invalid都有"弱"的意思。 brittle a.易碎的，易损坏的，通常是指坚硬的东西。 The bones of elderly people become brittle and easily broken. fragile a.常常修饰使用时必须小心才不会破碎的东西，也引申为体弱的，虚弱的。 He 's feeling a bit fragile after last night's party. frail a. (指人体弱的，虚弱的，也可以指东西易碎的。 His mother has grown old and frail.
crisp a.指食品的松脆；清新的，爽快的；活跃的，有生气的，干净利落的。crisp biscuit松脆的饼干 The student gave a clear, crisp answer to the teacher's question. invalid a.不正确的，缺乏证据的；无效的，作废的。作名词时，表示病弱者，伤残者，久病者。 Your ideas about the first humans are interesting but invalid. A bad car accident made him an invalid. 3、boundary, border, frontier, rim, verge "边界"意思。 boundary n.边界；界线。多指作为界线的标识物等。 The fence marks the boundary between my land and hers. border n.较宽的边缘，边界，多指两国或两地之间的分界处附近的边缘地区、边界地带；也可以指物体的边缘等。 We crossed the Mexican border into the USA. frontier n.边界，边境，边疆，指靠近边界(boundary的区域；也可引申为"未开发的领域"，"(学术的前沿"等。 The American West was still a frontier a century ago. She is a biochemist who works on the frontiers of biology. rim n.边，边缘，尤指圆形或近似圆形的物体的边缘。
