Idioms of candle in English

burn the candle at both ends

to become very tired by trying to do too many things and going to bed late and getting up early

cannot hold a candle to somebody/something

is not as good as somebody or something else

His singing can't hold a candle to Bocelli's.

(the game is) not worth the candle

(old-fashioned, saying) the advantages to be gained from doing something are not great enough, considering the effort or cost involved

If the price goes up again, he may decide that the game’s not worth the candle.