something that gives you energy or encourages you to do something, or that encourages something to happen

The dawning realization that his childhood world was founded upon a lie provided the rocket fuel that propelled him into writing. 他逐渐意识到自己的童年世界原来建立在谎言之上，这种意识转化为巨大的动力，推动他投身写作。

strong alcoholic drink or drugs

A drop of rocket fuel eased the last few miles to the hostel. 喝一口烈酒，去青年旅舍最后几英里路也变得没有那么难走了。

In those days speed enjoyed a vogue as an energy-producing rocket fuel for naughty boys and girls to stay up and party all night. 在那些日子里，速度丸大受欢迎，被坏小孩当作力量源泉，整夜不睡开派对。