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Definitions4 characters
fen2 gao1 ji4 gui3
to burn the midnight oil (idiom); to work continuously night and day
Usage•••frequent
Pronunciations

As word

1
fen2
to burn the midnight oil (idiom); to work continuously night and day
2
gao1
to burn the midnight oil (idiom); to work continuously night and day
3
ji4
to burn the midnight oil (idiom); to work continuously night and day
4
gui3
to burn the midnight oil (idiom); to work continuously night and day