How do you use puerile in a sentence?

Relevant answers:

How can you use puerile in a sentence?
You need to stop acting in such a puerile manner and act your age.
When to use this in a sentence or when to use these in a sentence?
'Would you like this candy or these desserts to follow the meal?'This is being used as an indicator for a singular item, and these is being used as an indicator for multiple items.See the related...
How do you use clean out use in a sentence?
I have decided to clean out my garage next week. - as a verb we are having a clean out at home on the weekend. - as a noun
How do you use use kettle in a sentence?
Example sentence - I heated the water in the kettle to make tea.
Can you use topic sentence in a sentence?
When I prepare to write a speech, the idea summary will be found in the topic sentence.