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- 一口readily
- 一口氣in one breath
- 口mouth
- 如果你不能講一口流利的英語，那對你找工作將是一個很不利的條件。If you don't speak good English, you'll be at a big disadvantage when you try to get a job.
- 一口價fixed price
- 飛機最後終於安全著陸了，我們大家都鬆了一口氣。We all sighed with relief when the plan finally touched down safely.
- 當心那個瓶子，那是氰化物。只要喝上一口，就會叫人一命嗚呼。Be careful with that bottle. It's cyanide. One swallow of that and you'd be dead as a doornail.
- 買賣成交了，他鬆了一口氣。He closed the deal successfully and was home free.
- 鬆一口氣utter a sigh of relief
- 這本小說非常引人入勝，她一口氣讀了下去，甚至廢寢忘食。The novel was so absorbing that she read on without a break even forgetting food and sleep.
- 正因為他操一口流利的英語，她更愛他。She likes him all the better for his fluent spoken English.
- 他能一口氣說出歐洲各國首都的名字。He could reel off the names of all the capitals of Europe.
- 當我們聽說他們平安無事時，都鬆了一口氣。We all heaved a sigh of relief when we heard that they were safe.
- 那人好像一個星期沒有吃過東西似的，狼吞虎咽地一口氣就把晚飯吃完了。The man tied into his dinner as if he hadn't eaten in a week.
- 簡每天早晨推開窗戶,深深吸一口新鮮空氣。Every morning Jane flings the windows open and breathes in the fresh air deeply.
- 他嘆了一口氣就撲通一聲坐到椅子上。He flumped down into his chair with a sigh.
- 你吸一口麻醉氣體馬上就會進入麻醉狀態。A whiff of gas will quickly put you off.
- 老人拿起杯子喝了一口,繼續講他的故事。The old man took a drink from his cup and proceeded with his story.
- 她打發人將一盤她一口未動的早餐送回。She sent back her breakfast tray untouched.
- 講一口流利的英語需要多年的刻苦操練。It took years of hard work to speak good English.
