'Leave' in the Bible

So I sent messengers to them saying, "I am engaged in an important work, and I am unable to come down. Why should the work come to a halt when I leave it to come down to you?"

During all this time I was not in Jerusalem, for in the thirty-second year of King Artaxerxes of Babylon, I had gone back to the king. After some time I had requested leave of the king,