to design and/or create something that has never been made before

The first safety razor was invented by company founder King C. Gillette in 1903. 第一把安全剃刀由公司创始人金‧坎普‧吉列于1903年发明。

to create a reason, excuse, story, etc. that is not true, usually to deceive someone

But I didn't invent the story - everything I told you is true. 但我没有胡编——我告诉你的都是真的。