bad/bæd/

a.

➊ causing problems and unpleasant

➋ of low quality

➌ not able to do sth well

➍ serious or severe

➭ cf. worse/wɜːs $ wɜːrs/

➭ sf. worst/wɜːst $ wɜːrst/

a.

➊ 坏的，有害的，不利的：bad news坏消息

◇a bad habit恶习

◇bad luck厄运

◇bad manners坏习惯

◇Things are getting worse and worse. 情况正变得越来越糟糕。

◇[bad for sth] Smoking is bad for your health. 吸烟有害健康。

➋ 劣质的 bad management 不善经营

◇a bad film不好看的电影

◇a bad idea拙劣的想法

➌ 不擅长的，差的：[bad at (doing) sth] He's really bad at (playing) football. 他足球踢得很不好。

➍ 严重的：a bad mistake. 这是个严重的错误。

◇a bad accident重大事故

feel bad (about〈doing〉sth) （为〈做〉某事）感到难过：I feel bad about failing the exam. 我为考试未能过关感到难过。

not bad 不错：“How are you?” “Not bad.”“你还好吗？”“还不错。”

音组-ad/-æd/

bad; dad; glad; had

常犯错误

✗ Reading in the sun is bad to your eyes.

✓ Reading in the sun is bad for your eyes. 在太阳下看书伤眼睛。

[✌be bad for sb意为“对…有害”，与be good for sb意思相反]

常犯错误

✗ She cut her finger bad.

✓ She cut her finger badly. 她重重地割到了手指。

[✌bad不能用作副词]