The "What's this word/phrase?" thread

Nii87 Wrote:What does 気にしないで mean? Google translate tells me it means "nevermind" but how does "nevermind" and the literal translation come together?

I tend to translate 気にしないで as "Don't worry about it." That would fit all of magamo's examples, I think. Obviously it'll change depending on context, but I think that gets the general feeling across, at least in my experience.