| 序号 | 英文 | 音标 | 词性 | 中文 |
| | be at loggerheads with | | | (与...)吵架, 争论 |
| | be at one | | v. | 一致 |
| | be at open defiance with | | | 公然反抗 |
| | be at pains | | | 费尽力气, 煞费苦心, 尽力设法 |
| | be at pawn | | | 当掉, 抵押出去 |
| | be at sb.'s command | | v. | 听某人吩咐 |
| | be at sb.'s nod | | v. | 受某人支配 |
| | be at suck | | | 吃着奶 |
| | be at suit | | | 打官司 |
| | be at the boil | | | 煮着, 正在沸腾 |
| | be at the bottom of | | v. | 引起 |
| | be at the end | | v. | 结束 |
| | be at the front | | | 在前线 |
| | be at the lowest ebb | | | 山穷水尽, 衰落到极点 |
| | be at the pains of | | | 费尽力气, 煞费苦心, 尽力设法 |
| | be at the receiving end | | | 成为攻击目标 |
| | be at the rootof | | | 是...的根本[基础] |
| | be at war with | | v. | 处于交战状态, 进行竞争 |
| | be atmess | | | 在食堂吃饭 |
| | be attached to | | v. | 附属于, 喜爱 |
| | be attributable to | | v. | 可归因于 |
| | be avenged on | | | 向...报仇, 向...进行报复 |
| | be avenged upon | | | 向...报仇, 向...进行报复 |
| | be averse from | | v. | 反对, 不情愿 |
| | be averse to | | v. | 反对, 不情愿 |
| | be avid for | | v. | 渴望, 贪婪 |
| | be avid of | | v. | 贪婪, 渴望 |
| | be aware of | | v. | 知道 |
| | be back | | | 回来, 放回 |
| | be back to square one | | | 退回起点, 从头再来 |
| | be bad company | | | 是有趣［乏味］的伙伴 |
| | be bad law | | v. | 违背法律 |
| | be bad money | | v. | 是无利可图的投资 |
| | be badly off | | | 生活贫困 |
| | be bail | | | (为...)做保释人 |
| | be bail for | | | (为...)做保释人 |
| | be balked of | | | 受挫折 |
| | be balled up | | v. | 被搞糊涂, 被搞糟 |
| | be balmy on the crumpet | | | 有些痴呆 |
| | be bankrupt in | | v. | 丧失 |
| | be bankrupt in reputation | | v. | 名誉扫地 |
| | be bare of credit | | | 名誉不好, 无信誉 |
| | be barmy on the crumpet | | | 有些痴呆 |
| | be based upon | | | 基于 |
| | be bathed in | | | 沐浴于, 被...笼罩 |
| | be becoming to | | | 合适 |
| | be beforehand with | | | 先发制人 |
| | be beforehand with the world | | v. | 手头有钱 |
| | be behind | | | 延迟, 落后 |
| | be behind in | | | 不能如期完成 |
| | be behind with | | | 不能如期完成 |
| | be behindhand | | | 拖 延, 延搁 |
| | be below | | | 不如 |
| | be beneath | | n. | 不值得 |
| | be beneath contempt | | | 极为荒谬可鄙的； 不屑一顾 |
| | be beneath criticism | | | 无评论价值 |
| | be beneath sb.'s notice | | v. | 被人不屑一顾 |
| | be beneficial to | | v. | 有益于 |
| | be bent on | | | 专心于 |
| | be beset by | | | 为...困扰, 镶有 |
| | be beset with | | | 为...困扰, 镶有 |
| | be better off | | v. | 境况好 |
| | be beyond criticism | | | 无可指责 |
| | be beyond it | | | [口](技巧, 精力, 性欲等)不如当年 |
| | be beyond restraint | | | 不能抑制 |
| | be beyond retreat | | | 没有后退的可能 |
| | be beyond sb.'s dream | | v. | 超出某人期望, 出乎某人意料 |
| | be beyond sufferance | | | 不能忍受 |
| | be big on | | | 喜爱 |
| | be bitten with | | | 对...着迷, 成癖 |
| | be blessed | | | 被咒(委婉的说法) |
| | be blessed with | | | 幸运地享有 |
| | be blind to | | | 对...视而不见, 看不懂 |
| | be blind with | | | 被...弄得眼花[糊涂] |
| | be blue in the face | | v. | 脸上突然变色 |
| | be book ed for | | | 记下名字(特指犯规) |
| | be booked | | v. | 被抓住 |
| | be booked up | | | 客满 |
| | be bored to death | | | 极为厌烦 |
| | be born at full terms | | | (小孩)足月生 |
| | be born in the gutter | | | 出身贫苦 |
| | be born of | | | 出身于 |
| | be born with | | | 生而具有 |
| | be borne away by | | | 被...所驱使 |
| | be borne in on | | | 被(某人)逐渐认识到 |
| | be borne in upon | | | 被(某人)逐渐认识到 |
| | be bound for | | v. | 开往..., 以...为目的地 |
| | be bound for somewhere | | | 前往 |
| | be bound in honour to do sth. | | v. | 道义上必须做 |
| | be bound to | | | 一定要... |
| | be bound up in | | v. | 热心于 |
| | be bound up with | | v. | 与...有密切关系 |
| | be brassed off | | | 满腹牢骚 |
| | be bright in the eye | | v. | 喝醉 |
| | be broad awake | | | 完全醒着 |
| | be broke to the world | | v. | 身无分文 |
| | be broken to the world | | v. | 穷极 |
| | be brought on the carpet | | | 提出来研究讨论 |
| | be brought to bed | | v. | 临产, 分娩 |
| | be brought to light | | | 显露, 暴露出来, 成为人所共知 |
| | be built on the rock | | v. | 建立在磐石上, 基础牢固 |