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oil
mastery UK /ɔɪl/ US /ɔl/nounverbname
card 1 of 10 · idiom meaning
What does the idiom 'burn the midnight oil' mean?
What does the idiom 'burn the midnight oil' mean?
card 1 of 10 · idiom meaning
What does the idiom 'burn the midnight oil' mean?
What does the idiom 'burn the midnight oil' mean?