A: Be careful, your laces are undone.
B: Oh, I never learned how to tie them properly.
lace
n.　１．网眼花边，透空织品，花边；２．鞋带，系带
vt. (up)　用系带束紧

A: Sorry I’m late, my alarm did not go off on time.
B: That is a lame excuse, don’t let it happen again.
lame
a.　１．跛的，瘸的；２．站不住脚的，差劲的，蹩脚的

A: I am lamenting the loss of my dear friend.
B: Goodness, what happened to him?
lament
vt.　１．哀悼，痛惜；２．抱怨，为．．．而遗憾
vi.　哀悼，悲痛
n.　挽歌，悼词

A: I am going to the lake to float some lanterns .
B: It would be best to wait until it is dark.
lantern
n.　灯笼，提灯

A: I saw my father again after a lapse of twenty years.
B: That must have been an emotional meeting.
lapse
n.　１．失误，疏忽；２．（时间的）流逝，间隔；３．（兴趣等的）减少，（信心的）丧失；４．陷入（或进入）（某种状态）(into)
vi.　１．终止，失效；２．(into)陷入（或进入）．．．状态

A: Stop annoying your brother.
B: Don’t lash out at me, he was the one that started it.
lash
v.　１．（用绳索等）将（物品）系牢；２．鞭打，抽打，（风，雨等）猛烈打击；３．猛烈抨击，严厉斥责
n.　１．鞭子，鞭端绳索（或皮条）；２．鞭打；３．眼睫毛；４．鞭梢
lash out (at)　猛烈抨击

A: I know you have the ability to do the task, it is latent within you.
B: But I am not so confident that it is there.
latent
a.　潜在的，隐伏的，不易察觉的

A: On what line of latitude is France?
B: Well, it will span several lines, but you should check in an atlas for the exact figures.
latitude
n. １．纬度；２．［pl.］纬度地区；３．（言语，行动等的）回旋余地，自由

A: Did you enjoy the wedding?
B: Indeed, it was a very lavish affair.
lavish
a.　１．过分丰富的，无节制的；２．过分慷慨的，浪费的
vt. (on,upon)　慷慨地给予，挥霍

A: Was our teacher also a priest?
B: No, he was just a layman .
layman
n.　门外汉，外行

A: There were a lot of layoffs recently in my town.
B: That will be hard on the families in the region, do you think they will be able to find new jobs?
layoff
n.　（尤指临时）解雇

A: Could you please give me some additional information about your organization?
B: Certainly, this leaflet has all the details that you will need.
leaflet
n.　传单，散页印刷品，小册子
v.　（向．．．）散发传单（或小册子）

A: Have you seen my shoes, Mum?
B: Yes, they are drying on the window ledge .
ledge
n.　１．岩架，岩石突出部；２．架状突出物，壁架

A: Mr. Smart had a full and an interesting life.
B: Yes, he indeed left a legacy .
legacy
n.　遗赠的财物，遗产

A: I am fascinated with ancient folk tales and legends .
B: Yes, there are some wonderful stories that survived the ages.
legend
n.　１．传说，传奇故事；２．传奇人物

A: This time, Sir, I have a legitimate excuse for being late, I was ill.
B: Do you have a doctor’s note to prove it?
legitimate
a.　１．合情合理的；２．合法的，法律认可的
vt.　使合法

A: Would you like a glass of lemonade ?
B: Oh, yes please, that sounds very refreshing.
lemonade
n.　１．柠檬水；２．汽水

A: Even though you have been naughty, I will be lenient just this one time.
B: Thanks, Mum, and I promise not to do it again.
lenient
a.　宽大的，仁慈的

A: Do you need anything from the shops?
B: Yes, I’d need to make a salad. Could you buy some lettuce please?
lettuce
n.　莴苣，生菜

A: I can’t open the window.
B: Here is a stick, use it as a lever to force it open.
lever
n.　１．杠，杠杆；２．途径，工具，手段
vt.　（用杠杆）撬动，撬起

A: My boss never gives much leverage , I don’t think I’ll be able to get the day off work.
B: Oh, at least try one last time.
leverage
n.　１．力量，影响，手段，优势；２．杠杆作用，杠杆的力量

A: The government has increased the levy on imports.
B: By what percentage?
levy
vt.　征收（税等）
n.　征税，税款

A: You are a liability around the house.
B: I’m not dangerous. I’m just energetic.
liability
n.　１．责任；２．［pl.］负债，债务；３．不利条件，起妨碍作用的人（或物）

A: Lilies are my favourite kind of flower.
B: Oh, mine too!
lily
n.　百合，百合花

A: I arrive to the ball by limousine .
B: Oh, I could not afford one, so I came by bus!
limousine
n.　轿车

A: Sarah has a very limp handshake.
B: Yes, I don’t think that she is confident in herself.
limp
a.　１．软弱的，无生气的，无精神的；２．软的，松沓的
vi.　一瘸一拐地走，蹒跚
n.　跛行

A: Have you done linear equations in math class yet?
B: No, I think we cover them next year.
linear
a.　１．线的，直线的，线状的；２．长度的；３．线性的

A: Is your shirt made from cotton or linen ?
B: I am not sure what kind of fabric it is.
linen
n. １．日用织品，亚麻织品；２．亚麻布

A: I worked on a cruise liner for three months.
B: Sounds exotic, but I’m sure that it was hard work!
liner
n.　１．大客轮；２．（化妆用）眼线膏，眼线笔，描唇笔；３．衬里

A: What would you like to do this morning?
B: Just linger in bed a while longer.
linger
vi.　１．（因不愿意离开而）继续逗留，留恋徘徊；２．(on)继续存留，缓慢消失

A: I had a problem learning how to speak correctly when I was a child.
B: Oh, I also had some linguistic problems.
linguistic
a.　语言的，语言学的