美:/'wʌns ɪn ə waɪl/
偶爾
偶爾；有時（等于every once in a while）
It's okay to complain every once in a while, but doing it all too often puts off people.
偶爾的抱怨是可以接受的 但是如果經常抱怨就會影響到其他人
There is no reason why you couldn't live it up once in a while.
沒有理由不讓你偶爾盡情玩樂一下的。
You would think my own father would stick up for me once in a while.
你會認為我的親生父親偶爾也會支持我一下。
Your body, like any other machine, needs a full service once in a while.
你的身體就像其他機器一樣，偶爾也需要一次全面保養。
Theatre tickets are so expensive that we only go to the theatre once in a while.
戲票很貴，所以我們隻是偶爾去看一場戲。
Have a pleasant trip, enjoy yourself, and remember your friends once in a while.
祝你旅途愉快，玩得開心，偶爾想念一下你的朋友。
|now and then/every now and again;偶爾；有時（等于every once in a while）
"once in a while" 是一個常用英語短語，表示偶爾、間或發生的行為或事件，強調發生頻率較低且不規律。具體解析如下：
句尾位置
We go hiking once in a while to escape city life.
（我們偶爾去徒步，逃離城市生活。）
句首位置（需加逗號）
Once in a while, she treats herself to a fancy dinner.
（她偶爾會犒勞自己一頓豪華晚餐。）
I occasionally check emails on weekends.
He visits his grandparents from time to time.
Every now and then, I crave spicy food.
| 短語 | 頻率 | 規律性 | 例句 |
|---|---|---|---|
| once in a while | 低 | 不規律 | I once in a while forget my keys. |
| sometimes | 中等 | 較模糊 | It sometimes rains in the desert. |
| rarely | 極低 | 不規律 | He rarely eats fast food. |
通過語境選擇最貼切的表達，能更精準傳達時間頻次。
"once in a while"是一個短語，表示“偶爾，間或”。
"once in a while"可以用來描述某個事件或行為發生的頻率不高，但也不是從未發生。它含有對于這種間隔的暫時性的暗示。
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