灯油

cǎo kū dēng yóu jìn

草枯灯油尽

simply fade away

wǒ huā zài dēng yóu shang de qián bǐ tā men de jiǔ qián hái duō

我花在灯油上的钱比他们的酒钱还多。

I spent more in oil than they in wine.