laugh at
嘲笑
例句1, She couldn’t help but laugh at his clumsy attempt to dance.
她忍不住嘲笑他笨拙的舞步。
例句2, They all laughed at the absurdity of the situation.
他们都嘲笑这种情况的荒谬。
例句3, He laughed at the idea of giving up, determined to keep going.
他嘲笑放弃的想法，决心继续前进。
例句4, The children laughed at the funny faces the clown made.
孩子们嘲笑小丑做的鬼脸。
例句5, Don’t laugh at others’ mistakes; everyone is learning.
不要嘲笑别人的错误；每个人都在学习。

lead to
导致, 导向
例句1, The discovery of new evidence could lead to a breakthrough in the case.
新证据的发现可能导致案件取得突破。
例句2, Her dedication to her studies led to her being awarded a scholarship.
她对学习的专注导致她获得了奖学金。
例句3, The narrow path leads to a beautiful hidden garden.
这条狭窄的小路通向一个美丽的秘密花园。
例句4, His reckless behavior could lead to serious consequences.
他的鲁莽行为可能导致严重的后果。
例句5, The guide led the tourists to the top of the mountain for a breathtaking view.
导游带领游客们登上了山顶，欣赏到了令人惊叹的景色。

let in
让……进来, 放进
例句1, The security guard decided to let in the latecomers despite the strict policy.
尽管有严格的政策，保安还是决定让迟到者进来。
例句2, She opened the window to let in some fresh air during the stuffy afternoon.
她在闷热的下午打开窗户，放进一些新鲜空气。
例句3, The teacher let in the students who had forgotten their homework, but with a warning.
老师让忘记带作业的学生进来，但给了他们一个警告。
例句4, The new policy will let in more immigrants to boost the economy.
新政策将允许更多移民进来以提振经济。

let out
放掉, 泄露
例句1, She accidentally let out the secret during the conversation.
她在谈话中不小心泄露了秘密。
例句2, He decided to let out the old dog to roam freely in the yard.
他决定放掉那只老狗，让它自由地在院子里游荡。

live on
以…为主食, 靠…为生
例句1, In many Asian countries, people live on rice as their staple food.
在许多亚洲国家，人们以大米为主食。
例句2, The remote tribe lives on hunting and gathering in the dense forest.
这个偏远部落靠狩猎和采集在茂密的森林中为生。
例句3, During the economic crisis, many families had to live on very limited resources.
在经济危机期间，许多家庭不得不依靠非常有限的资源为生。

look after
照顾
例句1, She promised to look after her younger brother while their parents were away.
她答应在父母不在的时候照顾她的弟弟。
例句2, The nurse will look after the patients in the hospital.
护士会照顾医院里的病人。
例句3, It’s important to look after your health by eating well and exercising regularly.
通过良好的饮食和定期锻炼来照顾你的健康是很重要的。
例句4, He always makes sure to look after his belongings to avoid losing them.
他总是确保照看好自己的物品，以免丢失。

look ahead
向前看, 展望未来
例句1, In order to succeed, we must look ahead and plan for the future.
为了成功，我们必须向前看并为未来做计划。
例句2, She always looks ahead to anticipate potential challenges.
她总是展望未来，以预见潜在的挑战。
例句3, Looking ahead, the company aims to expand its market share globally.
展望未来，公司旨在全球范围内扩大其市场份额。
例句4, He decided to look ahead and not dwell on past mistakes.
他决定向前看，不再纠结于过去的错误。

look down upon
看不起, 轻视
例句1, She tends to look down upon people who don’t share her educational background.
她往往看不起那些没有她那样教育背景的人。
例句2, In some cultures, it’s considered rude to look down upon others based on their social status.
在一些文化中，因社会地位而轻视他人被认为是不礼貌的。
例句3, He didn’t want to look down upon his colleagues, so he always treated them with respect.
他不想轻视他的同事，因此总是尊重对待他们。
例句4, The teacher reminded the students not to look down upon anyone, as everyone has their own strengths.
老师提醒学生们不要轻视任何人，因为每个人都有他们自己的长处。

look for
寻找
例句1, She is on a quest to find her lost brother.
她正在寻找她失踪的弟弟。
例句2, The treasure hunt was a thrilling adventure for the kids.
寻宝活动对孩子们来说是一次刺激的冒险。
例句3, He decided to seek out new opportunities in the city.
他决定在城市里寻找新的机会。
例句4, The detective is determined to track down the criminal.
侦探决心要追捕到罪犯。
例句5, They embarked on a journey to discover the ancient ruins.
他们踏上了寻找古代遗迹的旅程。

look forward to
盼望
例句1, We look forward to the summer vacation with great anticipation.
我们满怀期待地盼望着暑假的到来。
例句2, She looks forward to meeting her old friends at the reunion.
她盼望着在聚会上见到她的老朋友们。
例句3, The children look forward to the arrival of Santa Claus every Christmas.
孩子们每年圣诞节都盼望着圣诞老人的到来。
例句4, He looks forward to the opportunity to prove himself in the new project.
他盼望着在新项目中证明自己的机会。
例句5, We look forward to hearing from you soon regarding the job offer.
我们盼望着尽快收到你关于工作邀请的回复。

look into
向…里面看去; 调查
例句1, She decided to look into the mysterious box to see what was inside.
她决定查看这个神秘的盒子，看看里面有什么。
例句2, The detective promised to look into the case thoroughly to find the truth.
侦探承诺会彻底调查这个案件，以找出真相。

look out
留神, 当心
例句1, Look out! There’s a car coming!
留神！有辆车开过来了！
例句2, You should look out for pickpockets in crowded places.
在拥挤的地方你应该当心扒手。
例句3, Look out the window and see if it’s raining.
看看窗外是不是在下雨。
例句4, She always looks out for her younger brother when they are at school.
在学校时，她总是照顾她的弟弟。

look through
看穿, 浏览
例句1, She could see through his lies and knew he was not telling the truth.
她看穿了他的谎言，知道他没有说实话。
例句2, I quickly looked through the report to find the key points.
我快速浏览了报告，找到了关键点。

look up
查找
例句1, Please look up the meaning of this word in the dictionary.
请在字典中查找这个单词的意思。
例句2, She looked up at the stars and felt a sense of wonder.
她抬头仰望星星，感到一种惊奇的感觉。
例句3, I need to look up my old friend when I visit New York.
我去纽约时需要拜访我的老朋友。

lots of
许多, 大量
例句1, There are lots of opportunities for students to participate in extracurricular activities.
学生们有许多机会参与课外活动。
例句2, She bought lots of groceries to prepare for the upcoming party.
她买了大量的杂货来为即将到来的派对做准备。
例句3, Lots of people gathered in the park to watch the fireworks display.
许多人聚集在公园里观看烟花表演。
例句4, He has lots of experience in managing large teams.
他在管理大型团队方面有很多经验。
例句5, There were lots of questions after the presentation, showing the audience’s keen interest.
演讲结束后有许多问题，显示出观众浓厚的兴趣。