There are a number of preposition words that change the meaning of a phrase when used with a particular word. For example, you can use Gaze with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Gaze at(Look attentively)
Example: Don’t gaze at these girls, They are the cop.
2. Gaze on
Gaze on (Look strangely)
Example: He stood gazing on the pathetic scene of the accident.