| 序号 | 英文 | 音标 | 词性 | 中文 |
| | be under a delusion | | | 痴心妄想 |
| | be under age | | | 超过[未达]适龄 |
| | be under allocation | | | 作为配售品 |
| | be under an accusation | | v. | 被控告 |
| | be under an accusation of | | | 受指责, 被控告 |
| | be under an eclipse | | | 命运乖张 |
| | be under an embargo | | v. | 在封港中, 在禁运中, 被禁止 |
| | be under an obligation to sb. | | v. | 受某人的恩惠 |
| | be under consideration | | | 在考虑中 |
| | be under detention | | | 在拘留中 |
| | be under dog | | v. | 处于被支配地位 |
| | be under notice | | | 接到 ... 通知 |
| | be under orders | | | [军]奉令, 得到命令 |
| | be under restraint | | | 被拘禁中 |
| | be under review | | | 在检查中, 在审查中 |
| | be under the ferule | | | 受人支配 |
| | be under the hammer | | v. | 被拍卖 |
| | be under the impression that | | | 觉得 |
| | be under the knife | | | [口]动手术, 开刀 |
| | be under the necessity of doing sth. | | v. | 必须做某事 |
| | be under the weather | | v. | <口>有点小病, 不舒服, 微醉 |
| | be under ward | | | 被监禁着 |
| | be unfavourably disposed to | | | 对...有恶感 |
| | be unfavourably disposed towards | | | 对...有恶感 |
| | be unfit for | | | 不适于 |
| | be unlikely but not impossible | | | 可能性虽然很小但不是不可能 |
| | be up | | | 起床 |
| | be up a stump | | | 束手无策 |
| | be up against | | | 面临面对 |
| | be up and abunt | | | (病情好转)能起床走动 |
| | be up and around | | | (病情好转)能起床走动 |
| | be up and doing | | | 活跃, 忙碌 |
| | be up before | | | 被送交 |
| | be up for grabs | | | 公开投标 |
| | be up on | | v. | 精通, 熟悉 |
| | be up the flume | | | [美俚]倒霉, 垮台 |
| | be up to | | | 胜任, 从事于 |
| | be up to a move or two | | | 机灵, 精明 |
| | be up to all dodges | | v. | 诡计多端 |
| | be up to all the dodges dodge | | | 诡计多端 |
| | be up to monkey business | | | [口]打算胡闹[捣乱] |
| | be up to monkey tricks | | | [口]打算胡闹[捣乱] |
| | be up to one's shoulders | | v. | 深深地陷于 |
| | be up to sample | | v. | 符合样品规格 |
| | be up to someone | | | 决诸他人 |
| | be up to something | | | 策划 |
| | be up to the mustard | | v. | 符合要求 |
| | be up to trap | | v. | 不好欺负, 狡猾 |
| | be up with the lark | | | 早起 |
| | be upon the books | | | 是某商店的顾客 |
| | be upsides with | | | 与...不相上下 |
| | be used for | | | 用来做... |
| | be used to | | v. | 过去习惯于 |
| | be used up | | v. | 筋疲力尽 |
| | be vainly proud of | | | 以...而目空一切 |
| | be versed in | | | 精通于 |
| | be vexed about | | v. | 为...烦恼 |
| | be wallowing in money | | | [口]很富有 |
| | be wanting | | | 缺乏, 短缺, 缺少 |
| | be wary of | | v. | 提防 |
| | be washed out | | | 面色憔悴, 筋疲力尽 |
| | be weak in | | | 差, 不擅长于... |
| | be weak in the head | | v. | 不大聪明 |
| | be weary of | | v. | 厌烦, 不耐烦 |
| | be welcome to | | | 可以自由[随意] |
| | be well affected towards | | | 对...有好[恶]感 |
| | be well afoot | | | 在顺利进行中 |
| | be well disposed to | | | 对...有好感 |
| | be well disposed towards | | | 对...有好感 |
| | be well fed | | | 吃得好[不好] |
| | be well found in | | | 在...方面设备齐全[修养很高] |
| | be well left | | v. | 得到大量遗产 |
| | be well mounted | | v. | 骑着好马 |
| | be well off | | | 生活过的,处境良好 |
| | be well out of sth. | | v. | 安然摆脱某事 |
| | be well repute | | v. | 有好名声 |
| | be well seen | | | 精通 |
| | be well up in | | | 精通,对...消息灵通 |
| | be well up to the average | | | 完全达到一般水平 |
| | be wet behind the ears | | | 初出茅庐, 少不更事 |
| | be what may | | | 无论发生什么事, 不管怎样 |
| | be wide awake | | | 完全醒着 |
| | be wild about | | | 热衷于,因(某事)狂怒 |
| | be willing to | | | 乐于 |
| | be wise to | | v. | 知道 |
| | be with | | | 在...方面先进 |
| | be with child | | | 怀孕 |
| | be with it | | | 时髦的 |
| | be with someone | | | 听懂,在...工作 |
| | be within sb.'s discretion | | v. | 是某人的自由 |
| | be within the law | | v. | 合法 |
| | be without equal | | v. | 无敌 |
| | be worn to a frazzle | | | 被穿破 |
| | be worn to a skeleton | | | 瘦得象骷髅 |
| | be worried about | | | 为...忧虑, 烦恼的 |
| | be worse off | | | 经济情况更不好 |
| | be wrapped up in | | v. | 被包藏于, 埋头于, 与...有关系 |
| | be written in the book of life | | | [宗]列入复活得救的生命册 |
| | be wrongly informed | | | 得到正确的[错误的]知识[情报] |
| | be yet to seek | | | 还没有 |
| | be- | bI | | 加于名词,形容词等之前, 形成动词而表不同意义 |