20 Grk “And it happened that while.” The introductory phrase καὶ ἐγένετο (kai egeneto, “it happened that”) is redundant in contemporary English and has not been translated.
21 Grk “he”; the referent (Jesus) has been supplied in the translation for clarity.
22 Grk “was reclining at table.” As Jesus was having a meal. 1st century middle eastern meals were not eaten while sitting at a table, but while reclining on one’s side on the floor with the head closest to the low table and the feet farthest away.
23 Grk “in the house.” The Greek article is used here in a context that implies possession, and the referent of the implied possessive pronoun (Matthew) has been specified in the translation for clarity.
24 See the note on tax collectors in .

In other versions

And as Jesus reclined at table in the house, behold, many tax collectors and sinners came and were reclining with Jesus and his disciples.

While Jesus was having dinner at Matthew’s house, many tax collectors and sinners came and ate with him and his disciples.

While he was reclining at the table in the house, many tax collectors and sinners came to eat with Jesus and his disciples.

Later, Matthew invited Jesus and his disciples to his home as dinner guests, along with many tax collectors and other disreputable sinners.

And it happened as he was dining in the house, behold, many tax collectors and sinners were coming and dining with Jesus and his disciples.

And it came to pass, as Jesus sat at meat in the house, behold, many publicans and sinners came and sat down with him and his disciples.

Public Domain