lay on . supply（gas， water， electricity）to a building； provide供应（煤气、水电等）；提供
The house has water and electricity laid on．这座房子有水电供应。
It was years before gas was laid on to the village．好多年以后这村子才装起了管道煤气。
They lay on all essential services．他们提供一切必要的服务。
The bus company intends to lay on two more buses for this route．公交公司打算再给这条线路提供两部车。
lay on . beat；strike；attack violently猛打
As he laid on blows to the boy's back，a man came up and took the whip out of his hand．他鞭打男孩背部时，一个男人走过来夺了他手中的鞭子。
Little John seized a club and began to lay on for dear life．小约翰拿起一根棍子拼命乱打。
lay on . cover with；apply涂
He told us that we should lay on a second coat of paint for better protection against the weather．他告诉我们，为了防止气候侵害应再涂一层油漆。
lay on .organize or arrange for（entertainment，concert，）组织安排（文娱活动、音乐会等）
During the whole tour we hadn't to trouble about anything ourselves；everything was laid on for us．整个旅游过程中，我们什么都不用自己去操心，一切都为我们安排好了。
Stage shows were laid on to entertain the foreign guests．安排了几场演出招待那些外宾。
Has all the food and drink been laid on? 所有饮食都已安排好了吗?
lay on . impose（taxes，commands，penalties）征（税）；下（命令） ；施加（惩罚）
The government has laid on a new tax．政府已征收新税。
The firm is laying on higher prices．这个公司正在强行加价。
lay on .provide as a gift，bonus or treat 作为赠品赠送；奉送；招待
The owner of the factory laid on a Christmas dinner for the employees．工厂的老板设圣诞宴会招待其员工。
lay oneself out . try very hard努力；尽力去做
They promised that they would lay themselves out to help us．他们答应将尽全力帮助我们。
Larry wanted to win a medal for his school， so he really laid himself out in the race．拉里想为学校赢得奖牌，因此他确实在比赛中下了很大功夫。
He may want the job，but I haven't seen him lay himself out trying to get it ．他可能想得到这个职位，但是我没有看到他竭力去争取。
lay out . spend；pay花费；付钱
He is always hard up because he doesn't lay out his money wisely．他总是没钱，因为他用钱不会精打细算。
The committee decided to lay out all their budget on redecorating the college．委员会决定把他们所有的预算都花在重新修缮这所大学上。
His money is well laid out．他花钱很得当。
She laid out a lot of money on this house．她为这幢房子花了许多钱。
lay out . spread out ready for use or so as to be seen easily； display展现；呈现；陈列
The scene that was laid out before the climbers was magnificent．呈现在登山者面前的风景是非常壮丽的。
The shop assistants were busy laying out their windows for the coming National Day．售货员为了迎接国庆节的到来，正忙着布置橱窗。
lay out . plan； plot；organize计划；安排
Come here， Fred， I have a job laid out for you．过来，弗雷德，我替你安排了一个工作。
He laid out the day's work for his students．他给学生们安排了当天的工作。
The work for tomorrow is all laid out．明天的工作都安排好了。
lay out . prepare；prepare（a corpse） for burial准备；为（尸体）作殡葬准备
The servants laid out his meals carefully．佣人们为他精心准备了饭菜。
The family passed one by one through the small parlour where the father's body was laid out．一家人一个接一个地走过放着父亲遗体的小客厅。
The undertaker laid out the corpse prior to burial．殡仪员做好尸体的殡葬准备。
lay out . knock down or make unconscious打倒；击昏
He hit the secret agent on the jaw and completely laid him out．他朝那特务的下巴一拳打去，把他打昏在地。
The thieves laid out two of the guards during the armed robbery．在武装抢劫时，盗贼们杀死了两个卫兵。
With one blow he laid his attacker out．他一拳就打昏了袭击他的人。
lay out . plan the building or arrangement of；design设计
The architect laid out the interior of the building．建筑师设计了大厦的内部。
The pictures in．the magazine are well laid out．那本杂志里的图片编排得很好。
The garden is tastefully laid out．花园设计得很优雅。
lay over . put off until later；delay；postpone推迟；耽延
We voted to lay the question over to our next meeting for discussion．我们一致赞成将这个问题推迟到下次会议讨论。
For various reasons， the meeting was laid over till the next day．由于种种原因，会议延至次日举行。
The concert had to be laid over for several days because one of the singers had hurt her throat．因为一个女歌手的嗓子受了伤，所以音乐会只能延期几天举行。
lay over . arrive in one place and wait some time before continuing the journey（旅途中）稍作停留
We had to lay over in St．Louis for two hours waiting for a plane to Seattle．我们得在圣路易斯等待两小时，换乘飞机去西雅图。
We decided to lay over for a couple of days in Hong kong on our way to Canada．我们决定在去加拿大的途中在香港呆一、二天。