The engineer was praised for the laborious job of cleaning up the river after the floods.
He is a very laborious student.
Paddy plantation is a laborious and a slow task.
It is a laborious and painstaking process.
This work is tedious and laborious.
It is easy, less messy and less laborious.
Ants are very laborious.
It is a very skillful and a laborious job.
This is time-consuming and laborious task.
Laborious people are always victorious.
It is laborious task.
The word laborious comes from labor.
It is amazing that you have done such a laborious work in a such a short time.
The flourmill work is laborious.
It is a laborious work.
He is very hardworking and laborious student.
I think learning is not laborious.
I do not want to do laborious and time-consuming work.