'Watch' in the Bible

And it cometh to pass, in the going out of the priests from the sanctuary -- for all the priests who are present have sanctified themselves, there is none to watch by courses,

"Now therefore, LORD God of Israel, keep your promise that you made to my father, your servant David, when you said, "You are to not lack a man to sit on the throne of Israel, if only your descendants will watch their lives, to live according to my Law, just as you have lived in my presence.'

so that Your eyes watch over this templeday and night,toward the place where You saidYou would put Your name;and so that You may hear the prayerYour servant prays toward this place.

And now, may the terror of the Lord be on you. Watch what you do, for there is no injustice or partiality or taking bribes with the Lord our God.”

You won't be fighting in this battle. Take your stand, but stand still, and watch the LORD's salvation on your behalf, Judah and Jerusalem! Never fear and never be discouraged. Go out to face them tomorrow, since the LORD is with you.'"

But let none come into the house of the LORD, save the priests, and they that minister of the Levites; they shall go in, for they are holy: but all the people shall keep the watch of the LORD.

This is how King Joash failed to remember the kindness that Zechariah's father Jehoiada had shown him: he killed his son. As he lay dying, Zechariah cried out, "May the LORD watch this and avenge."

and I add not to turn aside the foot of Israel from off the ground that I appointed to your fathers, only, if they watch to do all that I have commanded them -- to all the law, and the statutes, and the ordinances by the hand of Moses.'