中英释义：
手术一旦开始，就不能停下。
The thing about surgery is, once you're in, you're in.
《纸牌屋 第三季》《House of Cards Season 3》
但是一旦开箱，保修单就作废了。
But once you open the box, you've voided the warranty.
《生活大爆炸 第二季》《The Big Bang Theory Season 2》
一旦扎根 根深蒂固盘亘脑海。
Once an idea has taken hold of the brain, it's almost impossible to eradicate. An idea that is fully formed, fully understood, that sticks. Right in there somewhere.
《盗梦空间》《Inception》
一旦所有的宝石都集齐了…然后就同花顺吗？
Once all these pieces are in position... Triple Yahtzee?
《复仇者联盟2：奥创纪元》《Avengers: Age of Ultron》
一旦你到了这一步，放置10分钟不要移动。
Once you've got these on here, don't move them for at least 10 minutes.
《保罗教你做面包》《Baul Hollywoods Bread》
你一旦答应， 她就会想办法怀上，这你不用担心。
Once you'd agreed she would have got pregnant, don't you worry.
《唐顿庄园 第四季》《Downton Abbey Season 4》
一旦发酵完毕，放到220度的烤箱里半个小时。
Once risen, the trencher bakes for about half an hour at 220 degrees.
《保罗教你做面包》《Baul Hollywoods Bread》
一旦开始复仇，就不会有好结果的，相信我，还是忘了好。
Revenge is not good once you're done. Believe. It's better to forget.
《这个杀手不太冷》《Léon》
不好说，一旦让她瞄到我的话，她肯定不会去找那小孩了。
I don't know, she'll never go for the kid once she gets a peek at this.
《生活大爆炸 第一季》《The Big Bang Theory Season 1》
一旦敞开心扉，就再也无法关上了。我是在开玩笑。
Once you've opened your heart, you can't close it again. I'm kidding! Of course you can.
《神探夏洛克 第四季》《Sherlock Season 4》
调查一旦完成，我们将公开具体的计算机模拟结果。
Once the investigation is complete, we'll be able to share the actual computer simulations.
《萨利机长》《Sully》
一旦他们进入幼发拉底河流域，他们将扼住北叙利亚的命门。
Once they get to the Euphrates, they'll have a choke hold on northern Syria.
《纸牌屋 第四季》《House of Cards Season 4》
钱德风趣、成熟，一旦了解他，就会觉得他很可爱。
Oh, come on. Chandler's funny, sophisticated, and he's very lovable, once you get to know him.
《老友记 第四季》《Friends Season 4》
一旦我到了那里，我就把将来的探险日志写在后面。
And once I get there, well, I'm gonna save all these pages for all the adventures I'm gonna have.
《飞屋环游记》《Up》
我不知道，这很美，但这里一旦天黑真的就没什么可以做了。
Mmm. I don't know. It's pretty, but there's really nothing to do once it gets dark.
《精灵旅社2》《Hotel Transylvania 2》
一旦狼群把他吃了，贝儿就会无依无靠，只能跟着我了。
Once the wolves have finished with him, Belle will have no one to take care of her, but me.
《美女与野兽》《Beauty and the Beast》
但是，只要你一旦醒来，你所做的任何事都会固定下来，变成历史。
But once you wake up, whatever you've done will take hold and become history.
《X战警：逆转未来》《X-Men: Days of Future Past》
为什么？一旦你学得溜了，你就又多了十几亿的人去烦，我就解放了。
Why? Once you're fluent, You'll have a billion more people to annoy instead of me.
《生活大爆炸 第一季》《The Big Bang Theory Season 1》
我爱你，最好是这样哦，现在腻歪个够吧，因为一旦我们去办公室...
I love you. You better. Get your fix now, because once we get into the office...
《情妇 第二季》《Mistresses Season 2》
一旦月球落到我手里，想要我交出来的话 整个世界都得满足我的任何条件！
And once the moon is mine, the world will give me whatever I want to get it back!
《神偷奶爸》《Despicable Me》
-
一旦一夕
one morning or evening; overnight; one day; very short time
-
溃于一旦
collapse overnight
-
毁于一旦
be destroyed in one day
-
一旦时机成熟
once the time is ripe
一旦安全着陆，猫就感到得意。
Once it had landed safely on the ground, the cat felt smug.
一旦人们感染了寨卡病毒，他们不会再次感染。
Once people get Zika, they won't get it again.
一旦物质腐烂，它就不能恢复原样。
Once matter has decayed, it can't go back to the way it used to be.
一旦人们有了钱，他们就用市场来购买东西。
Once people had money to spend, they used markets to buy things.
“反正，一旦你看到一条疯狂的鱼，你就见过所有的了。”
Anyway, once you've seen one crazy fish, you've seen them all.
一旦你尝试过飞行，你会带着仰望天空的目光行走在地球上。
For once you have tasted flight, you will walk the earth with your eyes turned skywards.
一旦你对派对的安排有了好主意，就开始写计划草稿。
Once you have a good idea of what you want to do for the party, start writing the draft of your plan.
一旦某个物种被列为濒危物种，伤害或杀死该动物就是违法的。
Once a species is listed as endangered, it is against the law to harm or kill that animal.
爱国者和英国人都承诺，一旦战争结束，就会释放为他们作战的被奴役者。
Both the Patriots and the British promised to free enslaved men who fought for them once the war was over.
他说：“一旦我们扩展到太空并建立独立的殖民地，我们的未来应该是安全的。”
Once we spread out into space and establish independent colonies, our future should be safe, he said.