sure thing
US /ʃʊr ˈθɪŋ/
UK /ʃʊr ˈθɪŋ/
1.
something that is certain to happen or be successful
:
•
Winning the lottery is no sure thing.
•
With his talent, success is a sure thing.
2.
used to express agreement or to say 'you're welcome'
:
•
"Can you help me with this?" "Sure thing!"
•
"Thanks for your help." "Sure thing!"