## 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.”