| a knight of the hammer | 铁匠 |
| a knight of the pen | 文人 |
| a knight of the road | 流动推销员, 流浪汉 |
| a knowing card | 精明者 |
| a la carte | a. 按菜单点菜的 ad. 按菜单点菜 |
| a labour of love | 爱做的事 |
| a lady of easy virtue | 放荡的女人 |
| a land flowing with milk and honey | 鱼米之乡 |
| a large number of | 大量的..., 许多... |
| a large quantity of | 大量... |
| a large variety of | 各种各样的..., 种种... |
| a large yield of wheat | 小麦的丰收 |
| a leading card | 先例, 榜样 |
| a leap in the dark | 冒险的行动 |
| a leap year | 闰年 |
| a legal year | 法定年 |
| A level | n. 英国GCE考试甲级标准 |
| a light hand | 熟练(的手艺) |
| a light purse | 贫困 |
| A light purse makes a heavy heart | 为人无钱心事重 |
| a limb of the devil | 顽童 |
| a line of least resistance | 阻力最小的方向, 最容易的途径 |
| a lion in the way | 拦路虎 |
| a liquidation sale | 清仓拍卖 |
| a little | 一些, 一点点, 一点儿, 稍微, 些许 |
| A little pot is soon hot | 量小易怒 |
| a little rift within the lute | 最初的分歧, 发疯的预兆 |
| a little tin god | 自命不凡的人 |
| a little too thick | 太过分, 过度 |
| a little while ago | 方才 |
| a live wire | 通电电线, 有活力的人 |
| a load of | 大量, 许多 |
| a lone wolf | 不喜欢与人来往的人 |
| a long dozen | 十三个 |
| a long shot | 不大会成功的尝试 |
| a long shot gamble | 孤注一掷 |
| a loose fish | 放荡不羁者 |
| a lost sheep | 迷路的羊, 误入歧途的人 |
| a lot | 大量, 很, 非常 |
| a lot of | 许多的 |
| a lucky miss | 侥幸免难 |
| a lump in one's throat | 喉咙哽住, 哽咽 |
| a lump in the throat | 喉咙哽住 |
| a lump of selfishness | 一个彻头彻尾的自私者 |
| a lump sum | 【经】 一次总付的金额, 一笔整数 |
| a lunar year | 太阴年 |
| a man about town | 花花公子 |
| a man born of woman | 凡人 |
| a man of Belial | 无赖, 堕落者 |
| a man of business | 代理人 |
| a man of God | 圣徒, 牧师 |
| a man of his hands | 有手艺的人 |
| a man of iron | 意志坚强的人, 严酷的人 |
| a man of letters | 学者, 作家 |
| a man of mark | 名人, 要人 |
| a man of mould | 凡人 |
| a man of one's word | 守信的人 |
| a man of parts | 有才能的人 |
| a man of sin | 罪人 |
| a man of straw | 稻草人, 假想的对手 |
| a man of the world | 深通世故的人 |
| a man of zeal | 热心人 |
| a man on horseback | 军事独裁者 |
| a man with the bark on | 粗鲁的人 |
| a marriage of convenience | 基于利害关系的婚姻 |
| a matron of honour | 伴娘 |
| a matter of | ...左右, ...上下, 只是...的问题而已, 只需, 大约 |
| a matter of course | 理所当然的事 |
| a matter of life and death | 生死攸关的事 |
| a matter of opinion | 看法不同的问题 |
| a matter of record | 有案可查的事 |
| a medical man | 医生 |
| a mensa et thoro | 【法】 分居 |
| a mere apology for... | 勉强充作...的东西 |
| a mere pose for | 不过是...的伪装 |
| a mind reader | 能猜出别人心思的人 |
| a mine yawl | 布雷快艇 |
| a mine zone | 布雷区 |
| a mite on an elephant | 大象身上一小虱, 大小悬殊 |
| a Mongolian yurt | 蒙古包 |
| a monkey with a long tail | 抵押 |
| a month of Sundays | 很久 |
| a month or so | 一个月左右 |
| a mountain of flesh | 高大结实的人 |
| a name to conjure with | 威力巨大的名字 |
| a narrow escape | 九死一生 |
| a narrow squeak | 九死一生的脱险, 勉强的成功 |
| a nasty one | 责骂, 使人一蹶不振的打击 |
| a nasty piece of work | 阴谋, 下流的家伙 |
| a near escape | 九死一生 |
| a near go | 极侥幸的逃脱 |
| a near thing | 侥幸的脱险 |
| a near touch | 九死一生 |
| a negligible quantity | 可忽略的因素 |
| A new broom sweeps clean | 新官上任三把火 |
| a new lease of life | 富于希望的, 新生 |
| a nice bit of | 相当多的 |
| a nigger in the woodpile | 隐私 |
| a nine days wonder | 轰动一时后便被忘却的事 |
| a nodding acquaintance | 点头之交 |