Adjective:

1. not encouraging or approving or pleasing;

   "unfavorable conditions"
   "an unfavorable comparison"
   "unfavorable comments"
   "unfavorable impression"
   

2. (of winds or weather) tending to hinder or oppose;

   "unfavorable winds"
   

3. not favorable;

   "made an unfavorable impression"
   "unfavorable reviews"
   

in AM, use 美国英语用 unfavorable

1.(条件或环境)不利的，恶劣的
unfavourable conditions or circumstances cause problems for you and reduce your chances of success.

e.g. unfavourable economic conditions were blocking a recovery of the American insurance market...
不利的经济形势阻碍着美国保险市场的复苏。
e.g. We've got a fairlyunfavourable exchange rate at the moment...
眼下汇率对我们不利。

2.（反应）反对的，不赞同的
If you have anunfavourable reaction to something, you do not like it.

e.g. A moreunfavourable response was given today by the Prime Minister...
首相今天的回应更是表示反对。
e.g. President Mubarak was particularlyunfavourable to the idea...
穆巴拉克总统尤其不赞同这一想法。

unfavourably
When the body reacts unfavourably to food, the pulse rate will go up.
人体对食物作出排斥反应时，脉搏会加快。

3.（比较）使相形见绌的
If you make anunfavourable comparison between two things, you say that one thing seems worse than the other.

unfavourable

e.g. He makesunfavourable comparisons between British and French cooking...
他认为与法国菜相比，英国菜相形见绌。
e.g. A younger child will benefit more from an older sister's help than from anunfavourable comparison between their progress.
与一味地比较进步情况相比，年纪小一些的孩子会从姐姐的帮助中获益更多。

unfavourably
Childcare facilities in Britain compare unfavourably with other European countries.
英国的保育设施与欧洲其他国家比起来相形见绌。

1. 不利的：irreversible 不可逆转的 |unfavourable 不利的 | operating temperature 工作温度

2. 不宜的：unfavorablyunfavourably 不适宜地 |unfavourable 不宜的 |unfavourabledisadvantageousharmfuldetrimentaldetriment 不利

3. unfavourable

3. 不利/不宜的/丑的：unfavorably /不适宜地/不利地/ |unfavourable /不利/不宜的/丑的/ | unfavourably /不适宜地/不利地/

This situation is unfavourable for us.

这样的局面对我们来说是不利的。

The committee began its work under unfavourable auspices.

委员会工作伊始即十分不利。

I got an unfavourable score.

我得到一个不理想的成绩。

The weather was unfavourable for shooting.

当时的天气不宜于打猎。

President Mubarak was particularly unfavourable to the idea.

总统穆巴拉克特别不赞成这个主意。

The conditions were unfavourable for agriculture.

这些条件不利于农业。

an unfavourable exchange rate

不利的汇率

an unfavourable comment

负面的评论

The documentary presents him in a very unfavourable light .

这部纪录片从十分负面的角度来描绘他。

an unfavourable comparison (= one that makes one thing seem much worse than another)

使相形见绌的比较

In this respect, Britain compares unfavourably with other European countries.

在这方面，英国比欧洲其他各国要逊色。

unfavourable economic conditions were blocking a recovery of the American insurance market...

不利的经济形势阻碍着美国保险市场的复苏。

We've got a fairly unfavourable exchange rate at the moment...

眼下汇率对我们不利。

A more unfavourable response was given today by the Prime Minister...

首相今天的回应更是表示反对。

President Mubarak was particularly unfavourable to the idea...

穆巴拉克总统尤其不赞同这一想法。

He makes unfavourable comparisons between British and French cooking...

他认为与法国菜相比，英国菜相形见绌。

A younger child will benefit more from an older sister's help than from an unfavourable comparison between their progress.

与一味地比较进步情况相比，年纪小一些的孩子会从姐姐的帮助中获益更多。

The lovely Mickey Mouse doesn't remind people of the unfavourable images of mice and rats.

可爱的米老鼠并没有让人们想起老鼠那不好的形象.

The high rate of nitrogen and phosphorus is unfavourable to the photosynthesis of the phytoplankton.

过高的氮磷比不利于浮游植物进行光合作用.

Excessive moisture is unfavourable for soybean germination.

水分过多对于大豆萌发是不利的.

Intimidate book sellers by confiscating books deemed unfavourable to the Barisan government.

充公被视为对国阵不利的书籍,威胁书商.

Owing to unfavourable weather, I was unable to carry on with it.

由于气象不好, 我不能把它进行下去.

This situation is unfavourable for us.

这样的局面对我们来说是不利的.

Maybe no programme would succeed given the unfavourable initial conditions.

鉴于不利的初始环境,或许没有一个项目会取得成功.

The company will lend you money on very unfavourable terms.

这家公司会以非常刻薄的条件借钱给你.

I am at an unfavourable position in being conversationally unacquainted with English.

我由于不熟悉英语会话而处于不利地位.

In addition the vigilance of the enemy was undoubtedly relaxed owing unfavourable phase of the moon.

此外,敌人由于月色不佳,当然也放松了警惕.

Hong Kong instantly realized the unfavourable position he appeared to be in.

香港立刻意识到自己在对方眼中处于不光采的地位.

We found that most people are unfavourable to the idea.

我们发现大多数人反对这个意见.

Objective To investigate relationship between borderline amniotic fluid index and unfavourable perinatal outcomes.

目的验证羊水偏少与不良围产结局的相关性.

In January 2001, I arrived in Brussels and unfavourable convictions about the EU.

2001年1月我抵达布鲁塞尔时,曾对欧盟怀有几分根深蒂固的偏见.

He had acquired the knack of snatching his siesta in the most unfavourable circumstance.

他学会了在最喧闹的场合下抓紧时间睡觉的诀窍.

There is a good deal of unfavourable comment.

人言啧啧.