immediately: The first of 11 occurrences of the Greek word eu·thysʹ in Mark chapter 1. (Mr 1:10, 12, 18, 20, 21, 23, 28, 29, 30, 42, 43)
... an unclean spirit: Mark uses this expression interchangeably with the term “demon.” (Compare Mr 1:23, 26, 27 with 1:34, 39; also Mr 3:11, 30 with 3:15, 22.)