'Demanding' in the Bible

I said to the nobles, the officials, and the rest of the people, "The work is demanding and extensive, and we are spread out on the wall, far removed from one another.

Every day one ox, six select sheep, and some birds were prepared for me, and every ten days all kinds of wine in abundance. Despite all this I did not require the food allotted to the governor, for the work was demanding on this people.