1
roughly + number/quantity
The project will take roughly two weeks to complete.
该项目将需要大约两周时间完成。
大致；大约；差不多
先理解核心含义，再看它在真实句子里的用法。
大致；大约；差不多
Used to indicate that a number or amount is not exact, but close to the correct value.
The project will take roughly two weeks to complete.
该项目将需要大约两周时间完成。
粗暴地；不友善、不温柔地。
In a rough manner; without kindness, softness, or gentleness.
(数量)不精确但相当接近正确
(of quantities) imprecise but fairly close to correct
不平整地；不规则地。
Unevenly or irregularly.
粗暴或猛烈地(“rough”是“roughly”的非正式变体)
with roughness or violence (`rough' is an informal variant for `roughly')
The meeting will start at roughly 10 o'clock.
会议大约在10点钟开始。
AI contextual example
He roughly estimated the cost of the project.
他粗略地估计了项目的成本。
AI contextual example
She was treated roughly by the angry crowd.
她被愤怒的人群粗暴地对待。
AI contextual example
roughly $3,000
大约3000美元。
WordNet
The project will take roughly two weeks to complete.
该项目将需要大约两周时间完成。
The wood was roughly cut.
木头被粗鲁地切割了。
Roughly speaking, the population has doubled.
粗略地说，人口已经翻倍。
Not this
He gave a roughly answer.
Use this
He gave a rough answer.
副词'roughly'不能修饰名词，应改为形容词'rough'来修饰名词'answer'。
Not this
I have roughly books.
Use this
I have roughly 20 books.
表示'大约'的副词'roughly'后必须接具体的数量或测量，不能直接接名词复数。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大致相等
The two groups are roughly equal in size.
这两组大小大致相等。
大致相同
Both proposals cost roughly the same amount.
两个提案的费用大致相同。
粗略地说
Roughly speaking, the project will take two months.
粗略地说，这个项目需要两个月。
粗略估计
We can roughly estimate the distance by time.
我们可以通过时间粗略估计距离。
粗暴地对待
The box was roughly handled during shipping.
这个箱子在运输中被粗暴地对待了。
粗略地说
Roughly speaking, the population of the city is about 10 million.
粗略地说，这个城市的人口大约一千万。
Use roughly naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一把粗糙的尺子，量出的尺寸只是“大约”接近，就是 roughly 的“粗略地”含义。
表示“大约”时，适用于日常对话、非正式写作以及多数正式场合，语气中性。
All listed words share the '-ough' ending pronounced /ʌf/. Be aware that '-ough' can also be pronounced in other ways, e.g., /oʊ/ in 'though', /uː/ in 'through', /aʊ/ in 'bough'.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.