“Can’t hold a candle to” is a popular expression. It is from the time before electricity, when people used candles for light. Someone who lived in a big house would have a servant light his way by holding a candle. The expression meant that the person who cannot hold a candle to you is not fit even to be your servant. Can't hold a candle to（比不上，还不如）是个常用表达，来自尚未用电，人们点蜡烛来照明的时代。住在大宅子里的人会有仆人手持蜡烛为他引路。这个词汇以前意指拿着蜡烛给人引路都做不好的人，连做仆人都不够格。
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