en_tn/mrk/02/23.md

Look, why are they doing something that is not lawful to do on the Sabbath day?

"Look! They are breaking the Jewish law concerning the Sabbath." (See: rc://en/ta/man/translate/figs-rquestion)

pick heads of grain and eat it. ....doing something that is not lawful to do on the Sabbath day

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

it

the heads of grain

heads of grain

This is the topmost part of the wheat plant, which is a kind of large grass. It holds the mature grain or seeds of the plant.

Look

Alternative translation: “Pay attention to what I am about to tell you.”