>Exhaust someone’s energies or resources by leading a hectic life
>To engage in an activity, usually work related, from early morning until late at night
>To work so hard that you don’t rest
>To spend all of your energy on two pursuits at the same time
nitially the idiom meant that one was dissipating one’s wealth. Meaning that you were causing your money to disappear. This is because candles were expensive and burning them cost money. If you were burning the candle at both ends you were being wasteful.
Example
>My younger son is obsessed with becoming a painter, that is why she is burning the candle at both ends nowadays.
>To finish this massive work, we must have to burn the candle at both ends.