bad的经典引文是：Children perished..from bad nourishment.出自：T. R. Malthus。bad的详尽释义是adj.(形容词)坏的，不好的严重的，剧烈的腐烂的，变质的不适合的，不适当的邪恶的，不道德的拙劣的，不合格的，质量差的有害的令人不快的问题成堆的。bad比较级:worse；最高级:worst；名词:badness。
一、详尽释义点此查看bad的详细内容
二、双解释义
三、英英释义
"take the bad with the good"
"a bad report card"
"his sloppy appearance made a bad impression"
"a bad little boy"
"clothes in bad shape"
"a bad cut"
"bad luck"
"the news was very bad"
"the reviews were bad"
"the pay is bad"
"it was a bad light for reading"
"the movie was a bad choice"
"a bad headache"
"in a big rage"
"had a big (or bad) shock"
"a bad earthquake"
"a bad storm"
"my throat feels bad"
"she felt bad all over"
"he was feeling tough after a restless night"
"bad meat"
"a refrigerator full of spoilt food"
"felt regretful over his vanished youth"
"regretful over mistakes she had made"
"he felt bad about breaking the vase"
"a bad (or uncollectible) debt"
"a bad chess player"
"a bad recital"
"so-called bad grammar"
"a bad investment"
"high risk investments"
"anything that promises to pay too much can't help being risky"
"speculative business enterprises"
"has a bad back"
"a bad heart"
"bad teeth"
"an unsound limb"
"unsound teeth"
"bad air"
"smoking is bad for you"
"led a very bad life"
"like a bad penny..."
"a forged twenty dollar bill"
"a bad telephone connection"
"a defective appliance"
"the injury hurt badly"
"the buildings were badly shaken"
"it hurts bad"
"we need water bad"
"I wanted it badly enough to work hard for it"
"the cables had sagged badly"
"they were badly in need of help"
"he wants a bicycle so bad he can taste it"
四、例句
Smoking is bad for health.
吸烟对身体有害。
In the recession, our firm went through a bad time.
我们公司在经济衰退时期历尽艰辛。
He's gone to bad since he made friends with those people.
他结交那些人后就开始堕落了。
Their travel plan was cancelled because of the bad weather.
因为天气不好，他们的旅行计划取消了。
His shabby appearance creates a bad impression.
他那寒酸的样子给人留下不好的印象。
It's a very bad thing to leave things around.
把东西到处乱扔是很不好的习惯。
Bad eyesight is less common in this part.
这地区很少有视力差的人。
A bad workman quarrels with his tool.
手艺差的工人总是抱怨工具不好使。
I felt bad all day.
我整天觉得不舒服。
She's got a bad headache.
她头痛得厉害。
Leaving his name off the list was a bad slip-up.
名单上没有他的名字是个严重的疏忽。
She has been racked with a bad cough.
她一直为严重的咳嗽所苦。
It's bad to you to read in the sun.
在阳光下读书是有害的。
Stagflation is bad for stock market valuations.
滞涨对股票价值是有害的。
In several passages he stressed that bad governments, especially corrupt or repressive ones, could not expect his help.
在几页文字中，奥巴马强调，管理不善的政府，特别是腐败的或是镇压性的政府是不可能获得他的帮助的。
Pogroms, crusades, bad Popes, and crooked preachers on the Old Time Gospel hour have left a bad taste in many people's mouths.
大屠杀，十字军东征，腐败的天主教皇，和一些歪曲事实的布道者在旧时期给人们留下了太多的负面影响。
I thought it was a very bad article.
我以为那是一篇很低劣的文章。
They protested about the bad food.
他们对低劣的伙食提出了抗议。
The decadence of morals is bad for a nation.
道德的堕落对国家是不利的。
Your bad skin will tell against you if you want to be an actress.
如果你想当演员的话，你粗糙的皮肤对你是不利的。
Bad breath, as well as being unpleasant, can be interpreted by would-be lovers as a sign of health problems.
口气不清新或让人不舒服会被对方视为身体不健康的标志。
He was for putting bad men behind bars.
他赞成将坏人关进监狱。
The bad man will suffer eternal damnation.
坏人将会受到永远的惩罚。
You must learn to take the bad with the good.
人必须学会好坏都能承受。
That's what I want, and I want it bad.
这就是我想要的，而且是迫不及待要得到的。
Alison sings bad.
艾莉森唱得很糟。
五、常见句型
六、经典引文
Children perished..from bad nourishment.
出自：T. R. MalthusAll ways are long over bad roads.
出自：E. GlasgowWhy should people go out to see bad films when they can stay at home and see bad television?
出自：S. GoldwynI couldn't do it on the phoneshis hearing's bad.
出自：K. Laffan七、常见错误
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的相关近义词
adverse、base、corrupt、criminal、damaging、dangerous、decayed、evil、harmful、harsh、off、grave、serious、severe、troubled、unfortunate、wrong
bad的相关反义词
easy、good、healthy、moral、pleasant
bad的相关临近词
Baden、bacterium、Badi、Badh、Badu、Badr、Bado、Badt、bade、Bada、Bady、Badiu