1. 坏的，劣质的；不合格的，有错的　 of poor quality; below an acceptable standard; faulty
2. 不道德的；邪恶的　 not morally acceptable; wicked
3. 令人不快的，使人讨厌的　 unpleasant; disagreeable
4. 严重的；显著的　 serious; noticeable
5. 因变质而不能食用的　 (of food) not fit to be eaten because of decay
6. P 不健康的，有病的　 unhealthy or diseased
7. 有害于某人的　 hurtful
8. 不适宜的；困难的　 unsuitable; difficult

　～ cold　重感冒
　～ faith　不诚实，背叛；奸诈
　～ form　不正当的社交行为，不能接受的行为
　～ girl　无教养的女子，不正经的女子
　～ job　坏事，徒劳的事；做得拙劣的活儿
　～ news　令人不快的事，噩耗
　～ sector　〈计〉坏扇区
　～ smell　难闻的气味
　～ taste　后悔和不安的强烈感觉
　～ track　〈计〉坏磁道
　～ woman　无教养的女人，不正经的女人
　go ～　（食物）变质，坏了
　feel ～　感到不适
　feel ～ about　为某事感到难过
　not half ～　相当好
　～ at　不擅长（某技艺）
　～ at handwriting　书写很差
　～ for　对…有害的
　～ for one's health　对健康有害

　A bad workman quarrels with his tools.　拙匠怨器钝。
　What bad weather we're having!　多么讨厌的天气啊！
　What a bad drawing!　多糟的画啊！
　Gossip had it that she was a bad girl.　有流言说她是一个不正经的姑娘。
　He leads a bad life.　他过着邪恶的生活。
　That was a bad blunder.　那是个严重的错误。
　That was a bad mistake.　那是一个大错。
　The rain has had a very bad effect on the crops.　这场雨极其严重地影响了庄稼的生长。
　The accused spent a few bad minutes waiting for the jury's decision.　被告在等待陪审团裁决的几分钟里如坐针毡。
　I've got a bad headache.　我头痛得厉害。
　The boy has caught a bad cold.　男孩患了重感冒。
　His father has bad circulation.　他父亲血液循环不好。
　On hearing the bad news, she was in a fever of impatience.　一听到这个坏消息，她极为暴躁。
　Don't eat those bad eggs.　不要吃那些臭鸡蛋。
　That's not a bad idea.　那个主意倒不错。
　My liver's very bad. Dreadful pain here.　我的肝不行了，疼得厉害。
　She feels bad today.　她今天感到不舒服。
　I feel bad about what happened.　我对所发生的事感到遗憾。
　She is bad at swimming.　她不擅长游泳。
　Sweets are bad for your teeth.　糖果对牙齿有害。
　Reading in the dark is bad for your eyes.　在暗的地方读书对眼睛有害。
　The plan is bad in several ways.　这个计划在几个方面都不够好。
　Fish soon goes bad in hot weather.　鱼在热天很快会变坏。
　Things are bad with me.　我的情况不妙。
　It is bad to steal.　偷窃是坏事。
　The fish was so bad that we couldn't eat it.　那鱼坏了，我们不能吃了。
　It's too bad you are leaving tomorrow.　真遗憾，你明天就要离开。
　It's too bad she's so ill.　她病得这样厉害，真是太不幸了。

 ♣ bad blood
　恶感　ill feeling
　I'm not surprised they fought each other last night, there has been bad blood between them.　昨晚他们打架我并不惊奇，他们之间的仇恨由来已久。
 ♣ bad debt
　坏账　money owing that is written off
　My business is in financial trouble because of a series of bad debts.　因为有许多收不回的债款，我的生意陷入了财政困难。
 ♣ bad egg〔hat, lot〕
　卑鄙小人　 sb of bad character〔reputation〕
　I'd advise you not to associate with him, he's bad egg.　我奉劝你不要和他交往，他是一个卑鄙小人。
 ♣ bad language
　骂人的脏话　swearing; blaspheming
　I will not tolerate bad language in this house.　在这个家里我无法容忍骂人的脏话。
 ♣ bad light
1. 看不清的地方 weak light
　The picture was hung in a bad light.　那幅画挂在一处看不大清的地方。
2. 坏印象 unfavourable reputation
　The report showed the government in a bad light.　该报导说明政府的声誉不佳。
　An accused person's own testimony may put him in a very bad light before the jury.　被告自己的证词可能会使自己在法庭上处于很不利的地位。
 ♣ come to a bad end
　死于非命；落得个不好的下场 finish in unpleasant〔criminal〕　circumstances
　He's already been caught shoplifting; that boy will come to a bad end.　那男孩冒充顾客进商店行窃被抓，他将不会有好下场。
 ♣ go from bad to worse
　越来越坏　deteriorate gradually
　The service in this hotel goes from bad to worse.　这个旅店的服务每况愈下。
 ♣ in a bad way
　情况不好　in a very poor state
　Mrs. Rose has cancer and is in a bad way.　露丝太太得了癌症，而且很严重。
　The patient eats very little and is in a bad way.　病人吃得很少，情况不妙。
 ♣ in bad taste
1. 不美观，俗气 in poor taste
　She dresses in bad taste.　她穿得很俗气。
2. 不体面，令人难为情 ill-mannered
　What he said was a joke in very bad taste.　他所说的是个很不体面的笑话。
 ♣ not bad
　不错　comparatively good
　That was not bad for a first attempt.　按初次尝试来说，那就算不错了。
　Have you tried the new restaurant yet?—It's not too bad.　你尝试过这家新饭店没有?——不错。
 ♣ too bad
　〈口〉可惜　 unfortunate
　It's too bad you can't come to the party.　你不能来参加宴会真遗憾。
　It's too bad that the sale of your house has fallen through.　真糟糕，你的卖房一事已泡汤了。

 ♣ bad, evil, ill, wicked
　参见ill条。
 ♣ bad, unpleasant
　这两个词都可作“令人不快的”解。其区别在于：bad表示由于品质或状况引起的感情的不愉快或不喜欢；unpleasant仅表示“不愉快的，使不快的”。

　他昨夜睡眠很不好。
　［误］ He slept very bad last night.
　［正］ He slept very badly last night.
　［析］ bad不用作副词，其副词形式为badly.

　bad　在美国俚语（主要是黑人用语）中可作“顶呱呱的”“挺时髦的”解，此时的比较级为badder，最高级为baddest.

U 坏的事物 that which is wicked, unpleasant, etc.

　bad　用作名词意思是“坏的事物”，引申可表示“厄运”。是不可数名词。

　to the ～　亏损，负债

　She had no bad in her.　她的心眼实在好。
　The good in him was a constant variance with the bad.　他善良的一面经常和邪恶的一面发生矛盾。

 ♣ go to the bad
　变坏，堕落　become completely immoral
　The boy was never in trouble before; he only went to the bad after his father died.　这男孩以前是从不惹事的；自他父亲死后，他就变坏了。
　I'm sorry to hear that the boy has gone to the bad, turning criminal so young.　这男孩已经堕落下去，这么年轻就成了罪犯，我听了非常难过。
 ♣ in bad with
　与（某人）关系恶劣　be bad in relationship with sb
　If you get in bad with your boss, you'll have problems.　如果你失宠于老板，就会遇到麻烦。
　In despair over losing his job he fell in bad with companions.　他失业后自暴自弃，混入到一伙坏朋友当中。
 ♣ take the bad with the good
　好坏都看得开　accept the unwelcome aspects as well as the welcome ones
　One must be willing to take the bad with the good.　人们对好事与坏事都要心甘情愿接受。

　［同义词］ adj. adverse, base, corrupt, criminal, damaging, dangerous, decayed, evil, harmful, harsh, off, grave, serious, severe, troubled, unfortunate, wrong
　［反义词］ adj. easy, good, healthy, moral, pleasant