Jack of all trades 似乎什么都懂的人

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jolly dog(guy) 樂天派

jump on sb 向某人亂發(fā)脾氣

jump the battery 充電

jumping the gun 迫不及待

just a minute 等一等;就來了;且慢

just as well 不如做某事也可

Just as you say. 好吧,隨你的便

just follow suit 照辦;跟進去

just for the fun of it 只不過好奇罷了

just the ticket, be 正是所需的

just too bad 太可惜;真糟糕

just what the doctor ordered 正合我的心意

keep a running account of 把教授在課堂講的內容都記下來

keep a straight face 忍住不笑出來

keep an eye on 留意

keep an eye on sth 密切注意

keep body and soul together 繼續(xù)活下去

keep company 陪伴

keep in touch with 聯系

keep it to yourself 保密

keep it under your hat 保密

keep my fingers crossed 交叉手指,乞求某事成功

keep one's head 鎮(zhèn)定

keep one's head above water 活下去

keep one's nose to the grand stone 孜孜工作

keep one's shirt on 不動手打架

keep pace with 保持同步

keep punching 繼續(xù)努力

keep sb at arm's length 疏遠;保持距離

keep track (of) 登記;記錄

keep track of one's attendance 留意某人的出勤

keep track of time 記住時間

kick downstairs 被撤職

kick off 開始干某事

kick sb upstairs 明升暗降

kick the bucket 死了

kidding around 老開玩笑

kill time 消磨時間

kill time 消磨時間

kill two birds with one stone 一石二鳥

killing one 笑死某人;痛死某人

knock it off 別再講下去了

Knock on wood. 說話禁忌,趕緊討個吉利.

knock one flat 把某人打倒在地

knock oneself out 精疲力盡

knock their eyes out 漂亮得使他們目瞪口呆

know one's onions 精通某事

know one's way around 熟悉道路

know-it-all 似乎樣樣事都知道的人

lady-killer 引誘女人的男子

laid eyes on 見過

last final 期末考試的最后一天

last minute rush 最后一分鐘的匆忙

last word 最新成就

laughing matter 無關緊要的事

lay aside 儲蓄

learn a lesson 受到教訓

leave it at that 暫時停止爭論

leave it to me 交給我辦吧

leave me alone 不要打擾我

leave much to be desired 大有改進必要

leave out 忽略;遺漏

leave sth up to sb 讓某人決定某事

leave the lights on 不息燈

let bygones be bygones 過去的事就讓它過去吧

let down 使失望;放低;失信;出賣

let go of me 放開我

Let me put it this way. 讓我這么講吧.

let nature take its course 順其自然

let off 下車;開槍;釋放

let the cat out of the bag 泄漏秘密

Let's be on our way. 我們走吧.

Let's change the subject. 不要再說這個了.

Let's take a break. 我們休息一下吧！

Life is short, don't drag your feet. 人生短暫,得盡歡時就盡歡.

life of the party 聚會的核心人物

like a cat on hot bricks 熱鍋上的螞蟻

Like a letter from home. 好極了,象接到家書一樣.

like a turtle on its back 對事情束手無策

like a veteran 象個老手

like ducks to water 如魚得水

Like father, like son. 有其父必有其子

little or nothing 只差一點點

live a dog's life 過著牛馬不如的生活

live by oneself 獨居

live up to one's words 履行諾言

loafing around 游手好閑

lone wolf 獨自一人

long stories 說謊;吹牛皮

Long time no see. 好久不見

look before you leap 三思而后行

look for a needle in a key stack 大海撈針

look for trouble 自討苦吃

look here 聽我說

look into 調查

look out 當心

look over 快速檢查

look up 探望;漲價;形勢好轉;查字典

look up to sb 尊敬某人

Look who you're talking to. 看清楚你是在對什么人說話.

looking forward to, be 期待

lose one's nerve 緊張,沒勇氣

lose one's shirt. 輸得精光

lose track of the days 把時間搞糊涂了

lose track of time 弄亂時間

lost count 弄不清楚

lost one's nerve 失去勇氣

lost one's temper 發(fā)脾氣

lost weight 瘦了

loudmouth 多嘴的人

lousy cliches 陳詞濫調

lousy things 討厭的事;卑鄙下流的事

lucky dog 幸運兒