To make something seem less important:
* "The politician's attempts to trivialize the issue of climate change were met with widespread criticism."
* "It's easy to trivialize the challenges of being a single parent, but it's a very demanding job."
To reduce something to a simple or insignificant level:
* "The movie trivialized the complex historical events it was based on."
* "Don't trivialize her accomplishments by saying she just got lucky."
To make light of something serious:
* "It's not appropriate to trivialize the pain and suffering of others."
* "The news story trivialized the victims' trauma by focusing on the sensational aspects of the case."
To make something seem commonplace:
* "The constant exposure to violence in the media has unfortunately trivialized the impact of real-life tragedies."
* "The way he treated his employees trivialized the importance of their contributions."
Remember that "trivialize" often has a negative connotation, implying a lack of respect or understanding for the importance of something.