lead astray . guide into a wrong way；tempt somebody to do something wrong 领错路；引入歧途
My trained dog has never led the sheep astray．我那条训练过的狗从未把羊领错路。
The boy was led astray by evil companions．这男孩被坏朋友带上了斜路。
The unthinking public are easily led astray by the false picture of reality given in television shows．不加思考的公众很容易被电视对现实所描绘出的假象引入歧途。
lead by the nose . have full control of 完全控制
Don't let anyone lead you by the nose；use your own judgement and do the right things．不要让别人牵着你的鼻子走，要用你自己的判断力做应该做的事。
lead in . introduce；open one's remarks 做介绍；开场
The chairman led in with some flattering references to the visiting speakers'record in the industry．主席对请来的演讲人在本行业中的经历作了一番恭维的介绍。
lead in . （electricity）come in；enter；bring in（电）引入；使领入
They intend to lead the wires in through this hole．他们打算从这个孔把导线引入。
lead off . begin；start 开始；领先
When the teacher asked if the film helped them to understand，Phil led off by saying that he learned a lot from it ．当老师问这部电影是否有助于他们的理解时，费尔带头回答说他从中学到了很多东西。
The singer led off with a popular ballad．这位歌手首先唱了一首流行的民歌。
Who is to lead off the discussion? 讨论由谁来带头发言?
The town band led off by playing the National Anthem．市府乐队首先奏国歌。
lead on . deceive；mislead 欺骗；诱使
The washing machine salesman led his customer on with promises of special discounts and after sales service．洗衣机推销商的许诺使顾客误以为会有特别的销售折扣和售后服务。
Tom led us on to believe that he was a world traveller，but we found out that he had never been outside of our state．汤姆骗我们相信他周游过世界，但我们却发现他从未离开我们这个州。
If you believe in telling the truth，you should never lead someone on．如果你相信讲真话，你绝不会欺骗任何人。
The salesman led us on about the quality of the product so that I would buy it ．售货员诱使我们相信产品的质量以便我买他的产品。
lead the way . guide 领先
The boys need someone to lead the way on their hike．在徒步旅行中这群男孩需要有人为他们领路。
lead to . result in；cause；bring as a result to 导致
Such an armament race can only lead to war．这样的军备竞赛只会导致战争。
This kind of discussion will certainly lead to still greater differences between the two parties．这样的讨论，必将导致双方更大的分歧。
lead up to . approach indirectly 渐渐讲到；暗示
Anyone could see what he was leading up to．He wanted to borrow some money from us．谁都看得出他将要提到的是什么，他是要向我们借钱。
He led up to the question of money．他渐渐提到钱的问题。
What are you leading up to? 你究竟想要说什么?
lead up to . prepare the way for 为…铺路；引起；导致
These circumstances will lead up to war．这种形势会导致战争。
The series of events led up to his resignation．这一连串的事件导致了他的辞职。
The border conflict led up to an allround war between the two countries．边境冲突导致了两国间的全面战争。
leak away . be gradually lost 漏掉；逐渐失去
With the continued loss of blood，his life was steadily leaking away．他流血不止，在慢慢地死去。
leak out . go out through a hole 漏出
The water is leaking out of the kettle．这个壶在漏水。
The oil has leaked out into the surrounding soil．油已漏到周围的土地里。
leak out . become known（probably by some unofficial means）；become public 泄露；为公众所知（可能是通过非官方手段）
It was plain that the news of his engagement had leaked out．很明显，他的订婚消息已经泄露出去了。
They have leaked the information out to the press．他们已把情报透露给新闻界了。
lean on . lean upon . depend on；rely or draw upon for support or inspiration 依赖；从…中获得支持或启发
You have to make your own way in the world，and not lean on your father for the rest of your life．今后你得自己闯天下，而不是依赖你的父亲。
It is fortunate that his cousin lives locally . he leant on her a lot in those first few weeks after his wife's death．幸运的是他的表姐就住在当地，他在妻子去世后的最初几个星期里全靠表姐的帮助。
lean on . lean upon . pressure somebody by blackmailing，threats，physical violence in order to make him comply with a wish or request 强迫；威胁利诱
I would gladly do what you ask if you only stopped leaning on me so hard．我愿意照你的意思做，只是你不要这样强迫我。
Joe is soft．He'll cooperate．He just needs leaning on a little．乔生性软弱。只要给他点颜色看看，他就会和我们一起干的。
leap forward . move suddenly 突然向前
The horse leaped forward，and I got out of the way only just in time．马突然向前冲，我刚好及时地闪开了。
leap forward .develop very fast 迅速发展
Scientific discoveries have leapt forward in recent years．科学发现近来日益增多。