漠不关心

mò bù guān xīn

indifferent

Character by character

漠mò
indifferent

不bù
not

关guān
concern

心xīn
heart

他对别人的事漠不关心。

He couldn't care less about other people's business.

Tone: negative (criticism).

Takes 对…漠不关心; colder than plain 不关心.

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