As a Noun: 1. Something which is not very important. English = trifle. As a Verb or Adjective: 1. To be very unimportant and not worth attention. English = (be) nothing, (be) trivial, (be) insignificant. 2. To do nothing at all, usually because you are lazy or uninterested. Interactive: 1. Used alone in response from a request from the person you are talking to to repeat something you have said. You mean that you won't bother because what you said before was not very important. English = "It's nothing!", "Forget it!", and so on. 2. Used alone to deny that you have done or said something. English = "I haven't done a thing!", "I've done nothing!", "I didn't say anything at all!", and so on.