"To burn the candle at both 同步上出现的,本人不太懂.

"To burn the candle at both 同步上出现的,本人不太懂.
"To burn the candle at both
同步上出现的,本人不太懂.

"To burn the candle at both 同步上出现的,本人不太懂.
过分耗费,不顾身体过度劳累”,英语解释是"Exhaust one's ...to do sth.

把蜡烛的两边都点上

点燃蜡烛两端

从字面上理解为:点蜡烛在末尾
可以解释为:"燃烧蜡烛两头"或者"点燃蜡烛两头"

字面如1 2 4楼
引申如3楼