hitherto
gb/hˈɪðˌɚtˈu/ us/hˈɪðˌɚtˈu/
C1
英语
义项
0 个义项
adverb
formal
C1
relation
1
up to now; until now
until now; before this time
用法模式：
hitherto + [clause] / hitherto + [adjective or past participle]
常见错误：
Often confused with similar-looking words like "hereto"; "hitherto" relates to time (until now).
近义词
until now (More common and neutral.)
|
so far (More conversational; often used with the present perfect.)
|
up to now (Neutral alternative, common in speech and writing.)
反义词
henceforth (Refers to the future, from now on.)
|
from now on (Common neutral opposite in meaning.)
搭配
hitherto unknown
|hitherto unpublished
|hitherto unreported
|hitherto unseen
|hitherto undiscovered
|hitherto unavailable
|hitherto neglected
|hitherto unexplored
|hitherto rare
|hitherto impossible
主题
time
|writing
|news_media
例句
- The drug has shown hitherto unseen side effects in larger trials.
- Hitherto, we had assumed the records were complete.
- The company is moving into markets that were hitherto inaccessible.
学习者例句
- Hitherto, I have lived in London.
- This plant was hitherto unknown here.
adverb
formal
C1
relation
2
up to then; until that time
until that time in the past
用法模式：
hitherto + [past-tense clause] / hitherto + [adjective or past participle]
常见错误：
Learners may use it in casual conversation; in modern English it is mainly formal and written.
近义词
until then (Direct and more common, especially in speech.)
|
up to that point (Neutral, often used in narratives and explanations.)
反义词
thereafter (Means from that time on (after the point being discussed).)
搭配
hitherto avoided
|hitherto accepted
|hitherto considered
|hitherto believed
|hitherto unexplained
|hitherto overlooked
|hitherto ignored
|hitherto possible
|hitherto prevented
|hitherto stable
主题
time
|writing
|history
例句
- Hitherto, the two countries had maintained friendly relations.
- The documents revealed motives that had been hitherto unclear.
- She had hitherto avoided public speaking, but the new role required it.
学习者例句
- Hitherto, he had never traveled abroad.
语法
词典原形
hitherto
IPA
GB/hˈɪðˌɚtˈu/
US/hˈɪðˌɚtˈu/
音节与重音
hitherto （1 个音节）
Stress on 1st syllable (hitherto)
词形变化
Noun
- Base: hitherto
- Plural: hithertos
词族
Forms
hithertos
noun
Negative and opposite forms
henceforth
adverb C1
Advanced or less common
hither
adverb
heretofore
adverb C1
相关表达
hitherto undiscovered
1/hˈɪðˌɚtˈu ˌʌndɪskˈʌvɚd/
fixed phrase
formal
previously not discovered
not discovered before
例句
- The team mapped a hitherto undiscovered cave system.
- Archaeologists unearthed a hitherto undiscovered settlement.
- The analysis found a hitherto undiscovered pattern in the data.
hitherto unknown
1/hˈɪðˌɚtˈu ʌnnˈoʊn/
fixed phrase
formal
previously not known
not known before
例句
- Researchers discovered a hitherto unknown species of orchid.
- The files contained hitherto unknown details about the merger.
- A hitherto unknown painting by the artist appeared at auction.
hitherto unpublished
1/hˈɪðˌɚtˈu ʌnpˈʌblɪʃt/
fixed phrase
formal
previously not published
not published before
例句
- The biography includes hitherto unpublished letters.
- The archive released hitherto unpublished photographs from the expedition.
- She is editing a volume of hitherto unpublished poems.
hitherto unreported
1/hˈɪðˌɚtˈu ˌʌnɹipˈɔɹtɪd/
fixed phrase
formal
previously not reported
not reported before
例句
- The study documents hitherto unreported complications.
- Journalists uncovered hitherto unreported ties between the groups.
- The survey revealed hitherto unreported cases of the illness.
hitherto unseen
1/hˈɪðˌɚtˈu ʌnsˈin/
fixed phrase
formal
previously not seen
not seen before
例句
- The telescope captured hitherto unseen images of the nebula.
- The renovation exposed hitherto unseen layers of paintwork.
- The film uses footage that was hitherto unseen by the public.