couldn't
US
UK couldn't contraction: colloquial, abbreviation (could not)
SC 不能 bù néng
TC 不能
TC 不能
SC 不行 bù néng，bù xíng
TC 不行
TC 不行
Andy couldn't come because he had other plans.
couldn't care less about [sth], could not care less about [sth] v expr: informal (feel completely apathetic towards)
SC 对…丝毫不感兴趣 duì sī háo bù gǎn xìng qù
SC 毫不在意
SC 不喜欢 duì sī háo bù gǎn xìng qù，bù xǐ huān
TC 不喜歡
TC 不喜歡
I couldn't care less about the tabloid headlines.
couldn't-give-a-damn attitude n: slang, potentially offensive (apathy, lack of concern) (俚语，可能无礼)
SC 一点都不在意的态度，根本不在乎的态度 yì diǎn dōu bú zài yì de tài dù，gēn běn bú zài hū de tài dù
There's no way I'd hire him with his couldn't-give-a-damn attitude.