Here are examples of the word/phrase "lackadaisical" used in a sentence and paraphrased in a sentence...
They were lackadaisical towards the idea of working for pennies.
They were not interested in the idea of working for pennies.
When I asked him about the upcoming event, he looked like he was lackadaisical.
When I asked him about the upcoming event, he looked like he was not interested.
She is lackadaisical towards having to walk 50 miles.
She is not interested in having to walk 50 miles.
Other Examples...