if not
如果不
if so
如果是这样
if possible
如果可能
if necessary
如果必要
if applicable
如果适用
if available
如果可以获得
if any
如果有任何
if desired
如果需要
if required
如果需要
as if
犹如，好似
if only
只要；要是…多好
if ever
假如，要是；如果真有(我当真)
if at all
如果某事真会发生的话；如果某人真要做某事的话
if and when
万一，如果；只有当…之时
if you please
请；对不起
ifs and buts
假设和转折；遁词；借口；推托
If you study hard, you will pass the exam.
如果你努力学习，你会通过考试。
If it rains, we will stay indoors.
如果下雨，我们会呆在室内。
If you need help, just ask.
如果你需要帮助，只管开口。
If you eat too much, you will feel sick.
如果你吃得太多，你会感到不舒服。
If you work hard, you will succeed.
如果你努力工作，你会成功。
If you want to improve, you need to practice regularly.
如果你想进步，你需要定期练习。
If you don't hurry, you will miss the bus.
如果你不赶紧，你会错过公交车。
If you take a break, you will feel refreshed.
如果你休息一下，你会感到精神焕发。
If you don't pay attention, you will make mistakes.
如果你不注意，你会犯错误。
If you save money, you can buy what you want.
如果你省钱，你就能买到想要的东西。
If we show a little tolerance and humility.
如果我们表现出一点宽容和谦卑。
来源: 21 Days of Intensive Listening to Famous SpeechesIf we win, we are the champs. If we lose, we are the chumps.
如果我们赢了，我们就是冠军，如果我们输了，我们是呆瓜。
来源: Learn authentic English with Wilber Pan.If trade is threatened, if trade is damaged, growth will suffer.
如果贸易受到威胁和破坏，经济发展就会受影响。
来源: CRI Online June 2019 CollectionWe will go camping if the weather is nice.
如果天气好的话，我们就去露营。
来源: New Concept English: Vocabulary On-the-Go, Book One.If a dress works, you work it hard.
如果一件衣服穿起来好看 那是你下了功夫。
来源: Wedding Battle SelectionWhat if you're wrong? What if I'm what's real?
万一是你错了呢 万一我才是真实的呢？
来源: InceptionOne caller asked if the ferry was running.
一个打电话来的人问渡轮还开不开。
来源: Collection of Interesting StoriesShe stepped back appearing surprised and put up her hands, as if in defence.
她后退几步，看上去有些吃惊，并举起了手，好像是在自卫。
来源: People's Education Press High School English Required Volume 4It could have billions in revenue if not for piracy.
如果不是因为盗版，尼日利亚电影业每年可能会有数十亿美元的收入。
来源: VOA Standard August 2015 CollectionIf people live nearby, they could face new dangers if the relocated animals are aggressive.
如果附近有人居住，他们就会面临具有攻击性的回迁动物的威胁。
来源: CNN 10 Student English January 2022 Collection探索常用高频词汇