Look at the picture and try to guess the meaning of the idiom 'burn the candle at both ends.' This is a common American English idiom so it's important to learn it.
Burn the candle at both ends: To become exhausted from staying up very late and getting up very early because you're busy doing many things or working a lot.
Here's a way to try to remember this idiom. If you think of the days when there wasn't electricity and people worked by candlelight you can imagine someone using one end of the candle to work at night and the burning the other end of the candle early in the morning. The result is that the person is exhausted from working a lot and getting little sleep.
Here are some examples to make it clearer:
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Time to practice your English — practicing by creating your own sentence will help you remember this idiom in the future.
When was the last time you burned the candle at both ends? Do you know anyone who is burning the candle at both ends? If so, what are they doing?