To study or prepare for an exam really hard.

This idiom is referring to how students, before electricity, focused too hard to notice that their brows are too close to the candlelight. Commonly used in the Philippines.
She's been burning her eyebrows since last week for the test.

What does it mean to burn one's eyebrows?

I meant she's studying super hard.
by fares47 May 29, 2023
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