Lifehack refers to any trick, shortcut, skill, or novelty method that increases productivity and efficiency in all walks of life.

Lifehack指在生活的各个方面能够提升生产力和效率的各类捷径、技能、妙招以及新奇的方法，即“生活妙招”。 

The term was primarily used by computer experts who suffer from information overload or those with a playful curiosity in the ways they can accelerate their workflow in ways other than programming.

这个说法的主要用户群体为计算机专家和好奇心强的专业人员，他们为了缓解信息过载的状况同时提升工作效率，想出来一些除了编写程序以外的工作方式。