[英语成语] BURN THE CANDLE AT BOTH ENDS. — 提高效率：避免过度耗费精力的智慧

过度耗费精力。

Burn the candle at both ends"这个习语形象地描述了一个人同时在两端点燃蜡烛。这意味着他或她在做过多的事情，通常导致睡眠不足和能量耗尽。这个短语警示我们避免长时间过度工作和劳累。

示例句子

1. She's been burning the candle at both ends preparing for her exams.

   她为了准备考试，日以继夜地努力学习。

2. Working full-time and studying at night, John is really burning the candle at both ends.

   约翰白天全职工作，晚上还要学习，真是夜以继日。

3. To meet both deadlines, she was burning the candle at both ends, working early mornings and late nights.

   为了赶上两个截止日期，她从早到晚努力工作。