en_tn/mat/12/02.md

pluck heads of grain and eat them ... do what is unlawful to do on the Sabbath

Picking grain in others' fields and eating it was not considered stealing. The question was whether one could do this otherwise lawful activity on the Sabbath.

the Pharisees

This does not mean all of the Pharisees. Alternate translation: "some Pharisees"

See, your disciples

"Look, your disciples." The Pharisees use this word to draw attention to what the disciples are doing.