詞語：once upon a time
once upon a time是什麼意思
簡明英漢詞典
once upon a time
adv.
從前
現代英漢詞典
once
[wQns]
adv.
(1)一次，一回
I go to see a film once a week.
我每週看一場電影。
"Once a month, he has to collect money from his customers."
"每月一次,他得去向顧客收錢。"
Once a year a race is held for old cars.
每年舉行一次舊式小汽車比賽。
"Attention please, I'll repeat the question once more."
請注意我把問題再重複一遍。
(2)從前； 曾經
She once knew him.
她以前認識他。
"Once, however, Big Ben failed to give the correct time."
"不過,有一次`大本鍾'報錯了時間。"
A good editor never once leaves a misprint uncorrected.
一個好編輯決不會放過一個印刷錯誤。
It once seemed inconceivable to everyone that men should travel to the moon.
"人們一度認為,人飛上月球似乎是不可想像的。"
習慣用語
all at once
突然, 忽然
at once
馬上，立刻；同時
Do it at once.
馬上做。
Don't all speak at once!
大家別一塊兒說話！
once (and) for all
最後一次
"Once and for all, we can't agree!"
"最後再說一遍,我們不能同意!"
once or twice
幾次；一兩次
once upon a time
從前
Once upon a time there was a poor old fisherman.
從前有一位貧窮的老漁夫。
詞性變化
once
conj.
一旦；一…就…
Once printed, this dictionary will be very popular!
一旦出版，這本詞典將會非常暢銷！
Once he arrives we can start.
他一到我們就可以動身。
once
n.
一次
Do it just this once.
只做這一次。
For once he was telling the truth.
他只有這一次說了實話。
"If one once loses self-confidence, he can never expect to be successful."
"一個人一旦失去了自信心,就甭想獲得成功。"
Will once be enough?
一次就夠了嗎?
英漢航海大詞典
once upon a time
adv.從前
英漢化學大詞典
once upon a time
adv.從前
英漢經貿大詞典
once upon a time
n.從前
英漢計算機大詞典
once upon a time
adv.從前(古時候,很久以前)