lie in . be in the power of 在…能力以内
I have done everything that lies in my power．我已尽了最大努力。
lie in . centre in；exist in；be found in 集中于；在于；存在于
All their hopes lie in him．他们把一切希望都寄托在他身上。
The chief difficulty lies in finding a good opportunity．主要困难在于找到一个好时机。
The trouble lies in the engine．毛病出在发动机上。
His chief attraction lies in his character，not his looks．他的魅力在于他的性格，而不是外貌。
The fundamental way out for agriculture lies in mechanization．农业的根本出路在于机械化。
lie in . stay in bed to await the birth of a child 分娩
She is lying in．她正在分娩。
The time has come for her to lie in．她生产的时候已经到了。
lie in . stay in bed after the normal time for getting up 睡懒觉
You ought to lie in tomorrow and catch up on your sleep．你明天应当晚起，把你所缺的觉补上。
She never lies in，even on Sunday mornings．她从不睡懒觉，即使星期天早上也如此。
lie off . keep a little away from the shore；rest nearby 与陆地保持一段距离；在附近停泊
The ship is now lying off，ready to load up．现在这艘船在附近停泊，等待装货。
lie off . cease work for a time 歇工；暂停工作
As soon as he makes a little money，he lies off and spends it ．他挣一点钱就不干活，将其花尽。
The men had to lie off for a week as the rain made building impossible．大雨使建筑工程无法进行，工人们只好暂时歇工一星期。
lie upon . lie on . be a matter of obligation or duty为…义务或职责
It lies upon him to support his family．赡养家庭是他的责任。
The whole responsibility lies upon me．全部责任落在我的身上。
lie upon . lie on . depend on 依赖
Your success lies upon your effort．你的成功归于你的努力。
Her life lies on the result of this operation．她的生命取决于这次手术的结果。
lie upon . lie on . bear as a burden 压在
The crime lay heavy on his conscience．那罪行成为他良心上的沉重负担。
lie over . be postponed for action at some future time；be left waiting until a later time 推迟；延期；待以后处理
Let the matter lie over until the next committee meeting．这件事留到下次委员会再讨论吧。
The decision must lie over until the next executive meeting．这项决定必须留到下一次执委会讨论再定。
lie over . （a note，payment，）remain unpaid when overdue（票据、款项等）逾期未付
You must first pay the rent lying over from last month．你必须首先付清上月欠下的房租。
lie up . stay in bed or in one's room from illness（for a long period）长期躺在床上
Mother was so ill after her operation that she had to lie up for a month．母亲动完手术后病情十分严重，不得不在床上躺了一个月。
The doctor advised me to lie up for a week．医生建议我休息一周。
He intends to lie up for a time．他打算休息一段时间。
lie up . remain in hiding 藏匿
The criminals are lying up somewhere in those hills．罪犯就藏在那些山里。
They lay up by day，and by night came out to attack convoys．他们白天隐藏起来，晚上出来袭击车队。
The police suspect that the escaped convict is lying up in this city．警察怀疑那逃犯可能隐藏在这个城市。
lie up . be out of use 停止使用
My car has been lying up all winter．我的车整个冬天都没有使用。
His boat is lying up for repairs．他的船正在船坞里进行检修。
light on . light upon . discover by chance；find or come upon unexpectedly 偶然发现；无意中发现；偶尔得到
If you look hard enough in this field，you may light on some valuable ancient coins．你若在这块地上用心找，或许能找到一些有价值的古钱币。
The explorers suddenly lit upon an entrance to secret chamber．搜索人员突然发现了密室的一条通道。
When I was in a secondhand bookshop I lighted on a book I had been looking for for ages．我在一家旧书店无意中得到了我已找了好久的书。
light out . run as fast as one can 尽快跑；拼命跑
John lit out for home with the bully chasing him．因为有流氓在追他，约翰拼命地往家跑。
light out . go away in a hurry；leave suddenly 匆匆离去
The gang packed their bags and lit out of town．那帮家伙收拾行李匆匆逃出了城。
The robbers lit out for Mexico．盗匪们匆匆向墨西哥逃去。
light up . fill with light；illuminate brightly or extensively 照亮
The searchlight lit up the whole area．探照灯把整个地区都照亮了。
The house was all lit up as though a big celebration was going on．满屋灯火通明，宛如在进行一场大庆典。
The streets were well lighted up．街上灯火辉煌。
light up . switch on the headlights of a motor vehicle at dusk；switch on the street lighting（黄昏时）打开车灯；开亮街灯
It is seven o'clock，and still one or two cars haven't lit up．已经 七点钟了，仍有个别车辆没有开灯。
at this time of the year，the official hour to light up is six thirty．在这个季节，规定开街灯的时间是六点半钟。
light up . light a pipe，cigarette or cigar 点上烟斗、香烟或雪茄
I had difficulty lighting up my cigarette in the strong wind．刮这么大的风，我很难点着烟。
The two men lit up their pipes and then sat down for a chat．两个人点上烟斗，坐下来谈心。
As soon as the meal was over . all the smokers lit up．一吃完饭，所有抽烟的人都点上了烟。
light up . suddenly look pleased and happy；become cheerful 突然高兴；面露喜色
Her face lit up with joy when she heard the good news．当她听到这则好消息时，面露喜色。
Tom will surely light up when he sees his new bike．汤姆看到他的新自行车时，必定很高兴。
Her face lit up with happiness．他脸上喜气洋洋。