"Blow out the candle" 是吹灭蜡烛的正确英文表达方式。这个短语的来源可能源于人们通过吹气将蜡烛灭火的动作。例如：

Please blow out the candle before you go to bed.

The birthday girl blew out the candles on her cake.

The wind blew out the candle on the windowsill.