1.belief,faith, confidence, conviction, credit, trust信任，信念

　　2.below,beneath, under, underneath, down在...之下

　　3.beneficial,advantageous, profitable, favorable有益的

　　4.besides, but,except for, 除了...

　　5.bewilder, confuse, embarrass,puzzle, perplex迷惑

　　6.biased, partial, prejudiced偏见的

　　7.bind, tie,fasten系紧

　　8.bit, piece,sheet, slice, fragment, scrap一片

　　9.blame, accuse, condemn, reproach, scold, denounce责备

　　10.blank, empty,vacant空

　　11.block, bar,hinder, obstruct, prevent, hamper阻碍

　　12.blunder,mistake, error, slip, fault错误

　　13.bold, brave, courageous, daring, heroic, fearless,agressive勇敢的

　　14.boring,tedious, tiresome无聊的

　　15.bother, disturb, trouble, annoy, irritate打扰

　　16.boundary,border, frontier边界

　　17.break, burst, crack, crush, fracture, smash,destroy, ruin, wreck, damage, spoil破坏

　　18.bright,brilliant,clever, wise, intelligent, ingenious, smart, shrewd聪明的

　　19.brittle, fragile, vulnerable, feeble, weak, be susceptible to, besubject to脆弱的

　　20.bruise, hurt,injury, wound, injure, impair受伤

　　21.build,construct, found, erect, establish, fabricate建立

　　22.bump, clash,collide, conflict冲突

　　23.busy,engaged, occupied忙碌的

　　24.but, however, , yet, nevertheless, while, whereas然而

　　25.calculate, compute, count, estimate计算