twice
twice — 前限定詞
1. used before a noun phrase that includes a determiner (such as 'the', 'my', or 't
兩倍
某物數量或大小的兩倍
used before a noun phrase that includes a determiner (such as 'the', 'my', or 'this') to mean 'two times as much' or 'two times as many'
Felix earns twice the salary that he made five years ago.
Felix 現在的收入是五年前的兩倍。
twice + determiner (the) + noun for comparison
The family's new house is twice the size of their old apartment.
這家人的新房子面積是他們舊公寓的兩倍。
Renata paid twice the usual fare for a taxi during the heavy rain.
Renata 在大雨中付了平常兩倍的計程車費。
Shanti's luggage weighed twice the limit allowed on international flights.
Shanti 的行李重量超過國際航班規定上限的兩倍。
Eli's new bicycle cost twice the price of his old one.
Eli 的新腳踏車價格是他舊車的兩倍。
- double
used as a determiner/adjective in similar contexts ('double the amount'), but 'double' can also be a verb
- half
used in the same predeterminer position for the opposite comparison ('half the size')
文法句型
twice + determiner (the / my / this) + noun
用法筆記
This sense requires a determiner (article, possessive, or demonstrative) before the noun. Say 'twice the amount' or 'twice my age', NOT 'twice amount'.
常見錯誤
twice — 副詞
1. on two separate occasions; a total of two times
兩次
發生兩回；總共兩次
on two separate occasions; a total of two times
Imani called the bank twice but the line was always busy.
Imani 打了兩次電話到銀行，但線路一直佔線。
verb + twice at end of clause
The smoke alarm rang twice in the middle of the night.
煙霧警報器在半夜響了兩次。
Christopher read the rental agreement twice before signing it.
Christopher 在簽約前把租賃協議讀了兩遍。
Hugo visited the museum twice and still wanted to go again.
Hugo 參觀了那間博物館兩次，還是想再去一次。
The night-shift nurse checked the patient's temperature twice that evening.
夜班護士那天晚上檢查了病人的體溫兩次。
- two times
less common and less idiomatic in most contexts, especially in everyday speech
- once
happening one time only, the opposite of two times
文法句型
verb + twice
auxiliary verb + twice
twice at end of clause
用法筆記
Usually placed at the end of the clause. When an auxiliary verb is present, it can also sit between the auxiliary and the main verb ('She has twice called to complain'), but end position is more natural.
常見錯誤
2. by a factor of two; to a degree or in an amount that is two times greater
加倍
程度或數量變為兩倍
by a factor of two; to a degree or in an amount that is two times greater
The train ticket cost twice as much during the New Year holiday.
新年假期期間，火車票的價格貴了一倍。
twice as + adjective (much) for degree comparison
Élise ran twice as fast in the final race as she did in practice.
Élise 在決賽中跑得比練習時快了一倍。
Anong's new computer is twice as powerful as her old one.
Anong 的新電腦效能是她舊電腦的兩倍。
Sofie had twice as many books to read for the final exam as her classmates.
Sofie 期末考要讀的書是同學的兩倍。
Emre spent twice as long on the homework as his younger sister did.
Emre 花在作業上的時間是他妹妹的兩倍。
- doubly
formal register, used before adjectives ('doubly important') rather than in 'as…as' comparisons
- half as
used in the same comparison structure to indicate half the amount or degree ('half as expensive')
文法句型
twice as + adjective/adverb
twice as + much/many + noun
twice the + noun
用法筆記
Do not use 'twice' before a comparative adjective ('cheaper', 'bigger') — say 'twice as cheap' or 'half the price' instead. The structure is always 'twice as + adjective/adverb'.