>
run over = hit someone with a vehicle
examples:
- Did you see that? That car nearly ran over the child.
- He was run over and seriously injured.
- He was run over and killed in 2009.
- She was run over by a truck as she was crossing the street.
- You nearly ran me over!
- You nearly ran over that poor cat!
contribute to = is a serious cause
examples:
- Junk food contributes to fattening. Stop eating it if you want to lose weight!
- Smoking contributes to heart diseases.
- His drinking problem contributed to his death.
- The collapse of his company contributed to his depression.
- The fact that she liked the new school and teachers contributed to her improvement at school.
- He is very hard-working. This has certainly contributed to his success.
