Laboriously would be an adjective, used to describe something undertaken with great labor. It could either signify boredom and unwanted effort, or a great deal of patience.
He breaths laboriously.
She worked laboriously on putting together her new bike so she could ride it later that afternoon.
He laboriously raked the leaves into a pile and died as he fell into the leaves
He laboriously raked the leaves into a pile and died as he fell into the leaves
labor
She labored laboriously over the intricate design, spending hours meticulously adding each detail.
Due to the weight of the stone blocks, ancient Egyptians, very laboriously, hauled them up to the top of the pyramids.
Your question is itself a sentence which uses the word "could".
It sounds like you may be talking about sloth.
You could write the sentence with the word torrent like this: I don't know how to use the word torrent in a sentence.
The word vane could be in a sentence like, "i have a big vane"
A sentence with the word 'grudgingly' in it could be 'i grudgingly shared my sweets with my brother'