one-off
/ˌwʌn ˈɒf/ (bre, ipa) · /ˌwʌn ˈɔːf/ (ame, ipa) · /ˌwʌnˈɒf/ (bre, ipa) · /ˌwʌnˈɑːf/ (ame, ipa) · /ˌwən-ˈȯf/ (ame, mw)
one-off — noun
1. something such as an event, offer, or service that is planned for one occasion o
something such as an event, offer, or service that is planned for one occasion only and not repeated.
The charity concert was a one-off for the flood relief fund.
be a one-off for a single occasion
Bilal's hand-painted mug was a one-off from the market stall.
noun use for a unique item
This extra discount is a one-off after our shipping mistake.
The late-night bus was a one-off during the music festival.
文法句型
be a one-off
a one-off for [purpose]
a one-off after [problem]
用法筆記
Usually follows be and names the thing itself, such as an event, offer, or product. Distinguish from the adjective sense, which describes another noun rather than standing as the noun on its own.
常見錯誤
one-off — adjective
1. done, given, or happening on one occasion rather than as part of a repeated patt
done, given, or happening on one occasion rather than as part of a repeated pattern.
The repair was a one-off job, so the plumber gave no service contract.
one-off + job for a single occurrence
After the storm, the council made a one-off payment to each family.
one-off payment made once only
Maeve saw the guest lecture as a one-off chance to meet the writer.
The software crash was one-off and never appeared again.
- one-time
very close in meaning, especially in business or American English
- non-recurring
more formal, especially for fees, payments, or scheduled items
文法句型
one-off payment
one-off chance
be one-off
用法筆記
Often appears before nouns like payment, chance, job, or offer. In informal use, it can also come after be to say that a problem or event happened only once.