Tā zǒu dào nǎr dōu jiūzhèng biérén de yǔfǎ, zhēn shì zhíyèbìng.
He corrects people's grammar wherever he goes — a real occupational hazard.
Tips
usage
Besides literal occupational diseases, commonly used humorously for habits you can't turn off outside of work — like a teacher who corrects everyone or a doctor who diagnoses friends at dinner.
