'Attentively' in the Bible

Then He rolled up the scroll [having stopped in the middle of the verse], gave it back to the attendant and sat down [to teach]; and the eyes of all those in the synagogue were [attentively] fixed on Him.

After this Jesus went out and noticed a tax collector named Levi (Matthew) sitting at the tax booth; and He said to him, “Follow Me [as My disciple, accepting Me as your Master and Teacher and walking the same path of life that I walk].”