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- 一口readily
- 一口气in one breath
- 口mouth
- 如果你不能讲一口流利的英语，那对你找工作将是一个很不利的条件。If you don't speak good English, you'll be at a big disadvantage when you try to get a job.
- 一口价fixed price
- 飞机最后终于安全着陆了，我们大家都松了一口气。We all sighed with relief when the plan finally touched down safely.
- 当心那个瓶子，那是氰化物。只要喝上一口，就会叫人一命呜呼。Be careful with that bottle. It's cyanide. One swallow of that and you'd be dead as a doornail.
- 买卖成交了，他松了一口气。He closed the deal successfully and was home free.
- 松一口气utter a sigh of relief
- 这本小说非常引人入胜，她一口气读了下去，甚至废寝忘食。The novel was so absorbing that she read on without a break even forgetting food and sleep.
- 正因为他操一口流利的英语，她更爱他。She likes him all the better for his fluent spoken English.
- 他能一口气说出欧洲各国首都的名字。He could reel off the names of all the capitals of Europe.
- 当我们听说他们平安无事时，都松了一口气。We all heaved a sigh of relief when we heard that they were safe.
- 那人好像一个星期没有吃过东西似的，狼吞虎咽地一口气就把晚饭吃完了。The man tied into his dinner as if he hadn't eaten in a week.
- 简每天早晨推开窗户,深深吸一口新鲜空气。Every morning Jane flings the windows open and breathes in the fresh air deeply.
- 他叹了一口气就扑通一声坐到椅子上。He flumped down into his chair with a sigh.
- 你吸一口麻醉气体马上就会进入麻醉状态。A whiff of gas will quickly put you off.
- 老人拿起杯子喝了一口,继续讲他的故事。The old man took a drink from his cup and proceeded with his story.
- 她打发人将一盘她一口未动的早餐送回。She sent back her breakfast tray untouched.
- 讲一口流利的英语需要多年的刻苦操练。It took years of hard work to speak good English.
