The Pharisees and scribes use this question to criticize Jesus and his disciples. Alternate translation: "Your disciples do not respect the rules that our ancestors have given us." (See: [[rc://en/ta/man/translate/figs-rquestion]])
This washing is not only to clean hands. This refers to a ceremonial washing according to the tradition of the elders. Alternate translation: "they do not wash their hands properly" (See: [[rc://en/ta/man/translate/figs-explicit]])
The word "bread" here is a synecdoche for any kind of food, and the word "when" refers to what people generally do before eating meals. Alternate translation: "before they eat" (See: [[rc://en/ta/man/translate/figs-synecdoche]])