Question

how do you make this a synecdoche...." boredom - having nothing to do - is often blamed for people's getting into trouble"

Answer 1

All hands on deck is an example of synecdoche. Give us at the present time our daily bread may be a famous synecdoche that's always used. Lend me your ears and grey beard are other examples. And also the phrase new set of wheels may be a example of synecdoche