1
speak unfavourably of sb/sth
of 后接被批评的对象，常用于正式或书面语。
The critics spoke unfavourably of her latest novel.
评论家们对她最新一部小说评价不高。
不赞成地；不以为然地；贬低地
先理解核心含义，再看它在真实句子里的用法。
不赞成地；不以为然地；贬低地
showing disapproval; in a disparaging way
The critics spoke unfavourably of her latest novel.
评论家们对她最新一部小说评价不高。
不适宜地; 不利地; 反对地; 令人不快地
r showing disapproval; in a disparaging way
The critics spoke unfavourably of the new film's ending.
评论家们对新电影的结尾评价不高。
She compared her own work unfavourably with her colleague's.
她拿自己的工作与同事的工作相比，结果显得自己较差。
The manager looked unfavourably on the proposal to change the schedule.
经理不赞同地看待改变日程的提议。
of 后接被批评的对象，常用于正式或书面语。
The critics spoke unfavourably of her latest novel.
评论家们对她最新一部小说评价不高。
该结构表示相形见绌或处于劣势，with 后接比较对象。
The company's profits compare unfavourably with last year's.
公司的利润与去年相比相形见绌。
view 或 regard 后接宾语，再接 unfavourably，常用被动语态。
The proposal was viewed unfavourably by the board.
董事会不赞成这项提案。
Not this
The teacher looked unfavourable at my answer.
Use this
The teacher looked unfavourably at my answer.
looked 在这里是实义动词（"看"），需用副词 unfavourably 来修饰，表示"不以为然地看"；unfavourable 是形容词，不能修饰动词。
Not this
Unfavourably, it rained on our picnic.
Use this
Unfortunately, it rained on our picnic.
unfavourably 意为"不赞成地、不利地"，修饰某个动作或描述方式，不能作句子副词表示"不幸的是"；表达坏运气应用 unfortunately。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不赞成地看待；对…持否定态度
Many shareholders looked unfavourably on the proposed merger.
许多股东不赞成这项拟议的合并。
与…相比相形见绌；比…差
The new model compares unfavourably with its competitors in fuel efficiency.
新型号在燃油效率方面与竞争对手相比相形见绌。
对…反应不佳；对…表示反对
Local residents reacted unfavourably to the plan to build a factory nearby.
当地居民对在附近建厂的计划反应不佳。
说…的坏话；对…评价不高
She never spoke unfavourably of her former colleagues.
她从未说过前同事的坏话。
不赞成地看待；对…持否定态度
The committee viewed his proposal unfavourably.
委员会不赞成他的提议。
遭到冷遇；不受欢迎
The film was received unfavourably by critics.
这部电影遭到影评人的冷遇。
与……相比显得较差；比……逊色
This year's results compare unfavourably with last year's.
今年的成绩与去年相比相形见绌。
不赞同；反对
The committee looks unfavourably on any proposal that increases costs.
委员会对任何增加成本的提案都持反对态度。
说……的坏话；贬低
He spoke unfavourably of the company's management.
他批评了公司的管理层。
Use unfavourably naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un- + favourably（有利地）→ 不利地、不赞成地；回想 favourably 是“好评”，加上 un- 就变成“差评”了。
语域：formal 常见场景：reviews and critiques、formal comparisons、official responses and statements unfavourably 通常带有书面、正式的语气，多用于评论、报告、正式讨论等场景，表示否定或不赞成的态度。口语中也可使用，但更自然的说法常常是 in a negative way。
与 unfavourably /ʌnˈfeɪvrəblɪ/ 真正押韵的词是 favourably /ˈfeɪvrəbli/，二者的重音都在 /feɪ/，重读音节之后的读音完全相同。拼写相似的 honourably /ˈɒnərəbli/、comfortably /ˈkʌmfətəbli/、reasonably /ˈriːzənəbli/、probably /ˈprɒbəbli/、unavoidably /ˌʌnəˈvɔɪdəbli/ 虽然也以 -ably/-ourably 结尾，但重音和元音都不同，只是后缀读音相近（/əbli/），并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.