John Wesley on 1 Samuel 1:3

Yearly - At the three solemn feasts, when he, together with all other males were obliged to go to worship God in the place appointed; and at other times, when he as a Levite, was to go thither in his course. To sacrifice - Not in his own person, which the Levites could not do, but by the priests. Were there - Or, were the priests of the Lord there, under their father Eli, who is generally conceived to have been the high - priest, but being very old and infirm, his sons ministered in his stead. This is the first time in scripture, that God is called the Lord of hosts or Armies. Probably Samuel was the first who used this title of God, for the comfort of Israel, at the time when their armies were few and feeble, and those of their enemies many and mighty.