1
an upturn in [something]
名词用法，常用于谈论经济、业绩等向好的变化，后接 in 引出具体方面。
There was an upturn in the company's profits.
公司利润出现了回升。
回升；好转；上升趋势
先理解核心含义，再看它在真实句子里的用法。
回升；好转；上升趋势
an upward movement or trend, especially in business activity
There was an upturn in the company's profits.
公司利润出现了回升。
向上的转变或趋势,尤指商业活动或利润的回升
An upward turn or trend, especially in business activity or profit.
After a difficult year, the economy finally showed an upturn in the last quarter.
在艰难的一年之后，经济终于在最后一个季度出现了好转。
There has been a steady upturn in the number of tourists visiting the city.
来这座城市旅游的人数一直稳步上升。
The company is hoping for an upturn in sales next spring.
公司希望明年春天销售额会出现回升。
名词用法，常用于谈论经济、业绩等向好的变化，后接 in 引出具体方面。
There was an upturn in the company's profits.
公司利润出现了回升。
动词用法，表示把物体翻转或倒扣过来，后接宾语。
She upturned the empty cup to show it was clean.
她把空杯子倒扣过来，表明它是干净的。
Not this
There was a sharp upturn of sales last month.
Use this
There was a sharp upturn in sales last month.
名词 upturn 表示“回升、好转”时，固定的介词搭配是 in 引出领域或对象（如 an upturn in sales/the economy），不用 of；“upturn of”不符合英语搭配。
Not this
The economy is showing upturn.
Use this
The economy is showing an upturn.
upturn 是可数名词，表示“一次回升”时前面必须加不定冠词 an；中文说“有回升”没有冠词，但英语中不可省略。
Not this
The economy has upturned this year.
Use this
The economy has taken an upturn this year.
upturn 表示经济“回升”时是名词，不能说 has upturned，那会被理解为动词“翻转”。英语中常用 take an upturn 或 see an upturn 来表达“好转”，所以句子应改为 has taken an upturn。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
经济好转；经济回升
The economic upturn has created thousands of new jobs.
经济好转创造了数千个新的就业岗位。
急剧回升；大幅好转
There has been a sharp upturn in sales this quarter.
本季度销售额急剧回升。
需求回升
The company is benefiting from an upturn in demand for its products.
该公司正受益于其产品需求的回升。
周期性回升
Economists expect a cyclical upturn in the housing market.
经济学家预计房地产市场将出现周期性回升。
近期好转
The recent upturn in tourist numbers has boosted local businesses.
近期游客人数的增加促进了当地企业的发展。
正在好转，呈上升趋势
After months of losses, the economy is finally on the upturn.
经过几个月的低迷，经济终于开始好转。
开始好转，出现回升
His career took an upturn after he joined the new team.
他加入新团队后，事业开始好转。
命运的转折，运势好转
The company's upturn in fortunes began with one successful product.
公司运势的好转始于一款成功的产品。
Use upturn naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
up（向上）+ turn（掉头），局面掉头向上，就是“好转、回升”。
语域：neutral 常见场景：商业报道、经济新闻、正式报告 名词 upturn 通常用于商业或经济语境，表示“好转”“回升”或“上升趋势”，比较常见于新闻报道和正式报告，日常口语中较少使用。
与 upturn 押韵的常见词有 turn、return、overturn、downturn、earn，读音均含 /tɜːn/。注意 turnip 以 'turn' 拼写开头，但读作 /ˈtɜːnɪp/，与 upturn 不押韵；拼写相似并不等于发音相同。
Dictionary facts from ECDICT, WIKTIONARY.