（单词翻译:单击）
| B | |
| back and forth | 来回,往返,来来往往的 |
| back down/off | 放弃,让步,退却 |
| back of | 在…后部,在…背部 |
| back up | 支持,援助;倒退,后退 |
| on the basis of | 根据,在…的基础上 |
| because of | 犹豫,因为 |
| on behalf of | 代表,为了 |
| make believe | 假装 |
| at (the) best | 充其量,至多 |
| do/try one’s best | 尽力,努力 |
| get the best of | 胜过 |
| make the best of | 充分利用,妥善处理 |
| for the better | 好转,改善 |
| get the better of | 打败,智胜 |
| had better | 最好还是,应该 |
| on board | 在船(车,飞机)上 |
| be bound to | 必定,一定 |
| break away (from) | 脱离,逃跑 |
| break down | 损坏,分解,瓦解 |
| break in | 强行进入,闯入;打断,插嘴 |
| break into | 闯入 |
| break off | 断绝,结束 |
| break out | 突然发生,爆发;(of)逃出 |
| break through | 突破 |
| break up | 终止,结束;打碎,拆散 |
| catch one’s breath | 屏息,喘口气 |
| out of breath | 喘不过起来,上气不接下气 |
| in brief | 简单的说,简言之 |
| bring about | 带来,造成 |
| bring down | 打倒,挫伤;降低 |
| bring forth | 产生,提出 |
| bring forward | 提出 |
| bring out | 使出现,使显明;公布,出版 |
| bring to | 使恢复知觉 |
| bring up | 教育,培养,使成长 |
| build up | 积累,堵塞;树立,逐步建立;增进,锻炼 |
| in bulk | 散装,大批,大量 |
| burn out | 烧掉, |
| burn up | 烧起来,旺起来;烧完,烧尽 |
| trolley bus | 无轨电车 |
| on business | 因公,因事 |
