Mark 3:2

2 Some of them were looking for a reason to accuse Jesus, so they watched him closely to see if he would heal him on the Sabbath.

Read Mark 3:2 Using Other Translations

And they watched him, whether he would heal him on the sabbath day; that they might accuse him.
And they watched Jesus, to see whether he would heal him on the Sabbath, so that they might accuse him.
Since it was the Sabbath, Jesus’ enemies watched him closely. If he healed the man’s hand, they planned to accuse him of working on the Sabbath.