The Greek style of eating at a feast was to lie on a couch and prop oneself up with the left arm on some pillows. AT: "eating together" or "eating at the table" (See: [[rc://en/ta/man/translate/figs-explicit]])
The Pharisees and scribes asked this question to express their disapproval that Jesus' disciples were eating with sinners. AT: "You should not eat with sinners!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
# you eat and drink with ... sinful people
The Pharisees and scribes believed that religious people should separate themselves from people they considered to be sinners. The word "you" is plural. (See: [[rc://en/ta/man/translate/figs-explicit]])
# People who are well ... sick
Jesus expressed this as a proverb. (See: [[rc://en/ta/man/translate/writing-proverbs]])
The words "need a physician" are understood from the phrase before this. AT: "only those who are sick need one" (See: [[rc://en/ta/man/translate/figs-ellipsis]])
Some people thought they were righteous. Jesus referred to them by the way they thought about themselves even though he knew that they were not righteous. AT: "people who think they are righteous" (See: [[rc://en/ta/man/translate/figs-irony]])