- Stop hitting on her! I just hit on an idea!
- He hit on an idea of sending his father a special present.
- It's almost impossible to get a loan based solely on an idea.
- There are four forces which act on an aircraft as it flies through the air.
- What I will allude to now are images that are meant to touch on an idea only.
- RD1 region will act on an ideal target antigen in diagnosis and prevention of MTB because of its good immunogenicity.