Meaning/Usage: Used to tell the person not to worry about it; also used to say you're welcome
Explanation: This is very commonly in both regular daily life and in the work place. It can be used after an apology or after someone says thank you. In both cases, it is telling the person that the event was no big deal and it does not require an apology or a thank you.
"No worries, we can get it done tomorrow."
"No worries, I didn't need it after all."
"No worries, I need to go to bed early anyways."
A. "I'm sorry for picking you up later than we planned."
B. "No worries. We still have time to get there."
A. "Thanks for giving me a ride to work today."
B. "No worries. I was heading this direction anyways."
Other Common Sentences
"Don't worry about it."
"It's OK."
"No problem."