If the weather were bad, the show would not happen.
如果天氣不好，表演就不會舉行。
If we leave later, the trip could take less than an hour.
如果我們晚一點出發，這趟路程可能不到一個小時。
If we leave now, we can catch the 7:20 bus.
如果現在出發，我們可以趕上七點二十分的公車。
If we miss the last train home, we are toast.
如果我們錯過回家的末班車，就慘了。
If you are no longer interested, it is kinder to explain than to ghost the other person.
如果你不再有興趣，與其突然斷聯，不如向對方說明會更體貼。
If you are not going to give him a job, do not string him along.
如果你不打算給他一份工作，就不要一直讓他等下去。
If you are serious about learning English, practice a little every day.
如果你認真想學好英語，就每天練習一點。
If you cannot sleep, try listening to quiet music.
如果你睡不著，試著聽安靜的音樂。
If you come early, you can sit near the front.
如果你早點來，你可以坐在前面。
If you do not finish on time, you may have to pay a heavy fine.
如果你沒有按時完成，可能要付一大筆罰款。
If you do not see the signs, you may pay for the mistake later.
如果你沒有看到那些標誌，之後可能要為這個錯誤付出代價。
If you finish your homework early, you can watch a movie.
如果你早點寫完作業，就可以看一部影片。
If you need help, please ask the teacher after class.
如果你需要幫忙，請在下課後問老師。
If you put more time into practice, you will get better quickly.
如果你多花一點時間練習，你很快就會變得更好。
If you roll a six, you can move your piece again.
如果你擲出六點，就可以再移動一次棋子。
If you say you will do something, you should keep your word.
如果你說你會做某件事，就應該說到做到。
If you should miss the bus, call your parents right away.
萬一你錯過公車，請立刻打電話給父母。
If you smell gas in the kitchen, open the windows and call for help.
如果你在廚房聞到瓦斯味，請打開窗戶並求助。
If you stay up all night, you may pay the price at school tomorrow.
如果你整晚熬夜，明天可能會在學校承受後果。
If you want a healthier lunch, prepare it yourselves.
如果你們想吃更健康的午餐，就自己準備。
If you want to learn how the school garden works, you need to get your hands dirty.
如果你想了解學校菜園怎麼運作，就得親自動手做。
If you wash the dishes, I will take out the trash. It's a deal.
如果你洗碗，我就去倒垃圾。就這麼說定了。
If you wish to speak to the teacher, please wait after class.
如果你想和老師談話，請在下課後等候。
If you write the name wrong three times, you cannot use it.
如果你把名字寫錯三次，你就不能使用它。
In “She likes tea,” we put s after “like” because we use “like” with “she.”
在「She likes tea.」中，因為 like 跟 she 一起使用，所以我們在 like 後面加上 s。
In a blind taste test, several students liked the cheaper milk tea better.
在一次盲測中，幾位學生比較喜歡比較便宜的奶茶。
In a close game, one mistake can decide the winner.
在勢均力敵的比賽中，一次失誤就可能決定勝者。
In an interview, you should sell yourself and talk about your good points.
面試時，你應該推銷自己，並說說自己的優點。
In an old book, seed can mean what comes from a man to help make a baby.
在一本舊書中，seed 可以指男人身上用來幫助生孩子的東西。
In Chinese, we call this sweet rice food by a name.
用中文，我們用一個名字叫這個甜米食。
In class, we used an AND gate. When two things are on, one thing can work.
在課堂上，我們用了 AND 閘。當兩個東西都是開著的時候，一個東西就可以運作。
In class, you are free to talk at any time.
在課堂上，你可以隨時說話。
In English, “I” is used as the subject case, and “me” is used after words like “see” and “help.”
在英語中，「I」用於主格，「me」用在 see 和 help 這類動詞後面。
In English, dates can be written in different orders.
英文中的日期可以用不同順序書寫。
In her first week at the shop, the new worker learned the ropes from a worker who knew the job well.
在商店工作的第一週，這位新員工向一位很熟悉這份工作的員工學習工作方法。
In her first year at school, she joined the photo club.
她在學校的第一年加入了攝影社。
In history class, students learned why the people in the town rose up when they had to pay too much money.
在歷史課上，學生學到城裡的人為什麼在必須付太多錢時起來反抗。
In many ways, learning at home is easier than learning at school.
在很多方面，在家學習比在學校學習更容易。
In math class, we learned that two lines can meet on a plane.
在數學課上，我們學到兩條線可以在一個平面上相交。
In most cases, students need to show a card before borrowing library books.
在大多數情況下，學生借圖書館的書前需要出示卡片。