no worries

exclamation4

1. •
   (Australia, informal) A general reassurance not to be concerned further with a subject.
2. •
   (Australia, informal) Be reassured that it does not bother me; I am not concerned.

   • Sorry if my music's bothering you. — No worries. I really like classical.
3. •
   (Australia, informal) It was no problem; not at all; you're welcome (particularly, though not strictly, when the favour being acknowledged was requested or in response to a difficulty, rather than spontaneous).

   • Thanks so much for the lift. — No worries, I had to go that way anyway.
4. •
   (Australia, informal) Do not worry, I will do it.

   • I need this done by closing time. — No worries, I'll have it sorted.