favoritism，foul play，[法] injustice，unfairness，unfair；

[例句] 他回答说这个问题不公平。 He said in reply that the question was unfair.

[例句] 她激动得声音颤抖，对他说：“这好像不公平吧。” Her voice breaking with emotion, she told him: "It doesn't seem fair".

unwise，ill-advised ；

[例句] 这对于杜鲁门来说似乎是一项特别不明智的事业。 It seemed a singularly ill-judged enterprise for Truman to undertake.

[例句] 他们都说“这太不靠谱了，一点儿都不明智”。 They all said "This is crazy, this makes no sense".

insensitive ；

[例句] 这只船似乎对舵的转动的反应很不灵敏. The boat seemed very slow to answer to any movement of the helm.

[例句] 飞行员说这架飞机对操纵系统反应不灵敏. The pilot said the plane did not respond to the controls.

not often，seldom，rarely，hardly ；

[例句] 休尖叫起来，声音不大，吃惊多于恐惧。 Sue screamed, not loudly, more in surprise than terror.

[例句] 根据对经济的预测来预言选举的走势不大可靠。 Predicting voting trends from economic forecasts is a dodgy business.

be worthy of，live up to ；

[例句] 斯蒂芬·蔡斯决心不辜负公司的期望。 Stephen Chase had determined to live up to the expectations of the Company.

[例句] 小蝶定努力! 不辜负爱我的人! 嘻嘻! The small butterfly decides diligently! Innocent my person! Hee hee!

unbeaten，undefeated，invincible ；

[例句] 桑普多利亚队主场1比2负于热那亚队之后，终止了自己的不败纪录。 Sampdoria lost their unbeaten record with a 2-1 home defeat against Genoa.

[例句] 这两家伦敦的俱乐部是该级别里仅存的保持不败的球队。 The two London clubs are the only undefeated teams in the division.

noncountable ；

[例句] 英语中的抽象名词通常是不可数名词. Abstract nouns are usually uncountable nouns in English.

[例句] 小鸡尚未孵出来不可数. You must not count your chickens before they are hatched.

can't go so far as to，not so ... as to ...，not to such an extent as to，（未必） be unlikely to ；

[例句] 幸亏一位主持人提示，她才不至于尴尬脸红。 Her blushes were saved by a prompt from one of her hosts.

[例句] 这种态度虽然不够理想，但还不至于消极透顶。 Although not ideal, this attitude is not entirely destructive.

hardly，a fat lot ；

[例句] 不幸的是，几乎不可能看到这些重大问题得到回复。 Unfortunately, there is little prospect of seeing these big questions answered.

[例句] 这样的措施非常不切实际，几乎不可能付诸实施。 Such measures would be highly impracticable and almost impossible to apply.

ill，undesirable，[医] cacoethic，infaust ；

[例句] 对赞助的依赖会给剧团带来不良的影响。 Reliance on sponsorship can have a malign effect on theatre groups.

[例句] 营养不良的人更有可能被传染。 Infections are more likely in those suffering from malnutrition.

inaccuracy，inexactitude，out-of true ；

[例句] 经济学是一门不精确的科学。 Economics is an inexact science.

[例句] 民间艺术研究中不精确的专有名词使定义更加混乱. The particularly loose terminology of folk art studies further confuses the matter of definitions.

mismatching ；

[例句] 我们是撤销对话框保留不匹配的规则? Are you canceling the dialog and leaving the rules mismatched?

[例句] 还是放弃导致不匹配产生的最新改变? Are you discarding recent changes that led to the mismatch?

insanitation，unhygienic，antihygienie，insanitary ；

[例句] 这些鱼既不卫生又不新鲜。 The fish were unwholesome and old.

[例句] 饭前不洗手,不卫生. It is unsanitary to eat without washing one's hands.

mal- ，not good，bad；

[例句] 别抱怨不好的事，要对好的事心存感恩。 Instead of complaining about what's wrong, be grateful for what's right.

[例句] 索尼娅的英语也许说得不好，但谁又说得好呢？ Sonia might not speak the English language well, but then who did?

never ；

[例句] 我从不坐公共汽车去城里。 I never go on the bus into the town.

[例句] 我这人非常孤僻，从不出门。 I'm very much a loner — I never go out.

offensive to the eye，unbecoming，do not look nice or proper，ungraceful ；

[例句] 你那条紧身裤真不雅观! Those tight trousers of yours aren't very decent!

[例句] 不雅观的痣可以手术去除. Unsightly moles can be removed surgically.

egersis ；

[例句] 即使通宵不眠,我也要把这台收音机修好. I will make this radio work even if I have to stay up all night.

[例句] 医生们对他的奇异的不眠感到疑惑. The doctors were puzzled by this strange continuous sleeplessness.

without stop ；

indeterminacy，indeterminate，undefined，ambiguity ；

[例句] 纳粹时期的征用致使所有权不明确。 Ownership is not clear because of expropriations in the Nazi era.

[例句] 法律上不明确 a lack of clarity in the law

[法] non placet ；

[例句] 结婚若还不到三年,正常情况下是不批准离婚的. Divorces are not normally granted before the marriage has lasted three years.

[例句] 民航局不批准外航提出的固定加班的申请. Civil Aviation Administration should not approve application for fixed overtime flight.