Cross Reference 1 SAMUEL 1:11 AND SHE VOWED A VOW AND SAID O LORD OF HOSTS IF THOU WILT INDEED LOOK ON THE AFFLICTION OF THINE HANDMAID AND REMEMBER ME AND NOT FORGET THINE HANDMAID BUT WILT GIVE UNTO THINE HANDMAID A MAN CHILD THEN I WILL GIVE HIM UNTO THE LORD ALL THE DAYS OF HIS LIFE AND THERE SHALL NO RAZOR COME UPON HIS HEAD

{1 Samuel 1:11} And she vowed 5087 z8799 a vow, 5088 and said, 559 z8799 O LORD 3068 of hosts, 6635 if x518 thou wilt indeed y7200 z8800 look 7200 z8799 on the affliction 6040 of thine handmaid, 519 and remember 2142 z8804 me, and not x3808 forget 7911 z8799 x853 thine handmaid, 519 but wilt give 5414 z8804 unto thine handmaid 519 a man y582 x376 child, 2233 then I will give 5414 z8804 him unto the LORD 3068 all x3605 the days 3117 of his life, 2416 and there shall no x3808 razor 4177 come 5927 z8799 upon x5921 his head. 7218

vowed:
"And Jacobª vowedª ° a vow,ª saying,ª ° If¹ Godª will be¹ with¹ me, and will keep¹ me² ° in this¹ wayª that¹ I¹ go,ª ° and will giveª ° me breadª to eat,ª ° and raimentª to put on,ª °" {Gen 28:20} + "And Israelª vowedª ° a vowª unto the LORD,ª and said,ª ° If¹ thou wilt indeed² ° deliverª °¹ this¹ peopleª into my hand,ª then I will utterly destroyª °¹ their cities.ª" {Num 21:2} + "If¹ a womanª also vowª ° a vowª unto the LORD,ª and bindª ° herself by a bond,ª [being] in her father'sª houseª in her youth;ª ... But if¹ her husbandª disallowedª ° her on the dayª that he heardª ° [it]; then he shall make¹ her vow¹ which she vowed,² ¹ ¹ and that which she utteredª with her lips,ª wherewith¹ she boundª °¹ her soul,ª of none effect:ª ° and the LORDª shall forgiveª ° her." {Num 30:3-8} + "And Jephthahª vowedª ° a vowª unto the LORD,ª and said,ª ° If¹ thou shalt without fail² ° deliverª °¹ the childrenª of Ammonª into mine hands,ª" {Jdg 11:30} + "When¹ thou vowestª ° a vowª unto God,ª deferª ° not¹ to payª ° it; for¹ [he hath] no¹ pleasureª in fools:ª payª °¹ that which¹ thou hast vowed.ª °" {Ecc 5:4}

look:
"And Leahª conceived,ª ° and bareª ° a son,ª and she calledª ° his nameª Reuben:ª forª she said,ª ° Surelyª the LORDª hath lookedª ° upon my affliction;ª now¹ thereforeª my husbandª will loveª ° me." {Gen 29:32} + "And the peopleª believed:ª ° and when they heardª ° that¹ the LORDª had visitedª °¹ the childrenª of Israel,ª and that¹ he had looked² ° upon¹ ¹ their affliction,ª then they bowed their headsª ° and worshipped.ª °" {Exd 4:31} + "It may be¹ that the LORDª will lookª ° on mine affliction,ª ² ° and that the LORDª will requiteª ° me goodª for¹ his cursingª this¹ day.ª" {2Sm 16:12} + "Look² ° upon¹ mine afflictionª and my pain;ª and forgiveª ° all¹ my sins.ª" {Psa 25:18}

remember:
"And they rose up² ° in the morning² early,ª °¹ and worshippedª ° beforeª the LORD,ª and returned,ª ° and cameª ° to¹ their houseª to Ramah:ª and Elkanahª knewª °¹ Hannahª his wife;ª and the LORDª rememberedª ° her." {1Sm 1:19} + "And Godª rememberedª °¹ Noah,ª and every¹ living thing,ª and all¹ the cattleª that¹ [was] with¹ him in the ark:ª and Godª made² ° a windª to passª ° overª the earth,ª and the watersª asswaged;ª °" {Gen 8:1} + "And Godª rememberedª °¹ Rachel,ª and Godª hearkenedª ° to¹ her, and openedª °¹ her womb.ª" {Gen 30:22} + "[[A Songª of degrees.]]ª LORD,ª rememberª ° David,ª [and]¹ all¹ his afflictions:ª ° ... How¹ he swareª ° unto the LORD,ª [and] vowedª ° unto the mightyª [God] of Jacob;ª" {Psa 132:1-2}

I will give:
Samuel, as a descendent of Levi, was the Lord's property, from twenty-five years of age till fifty; but the vow here implies that he should be consecrated to the Lord from his infancy to his death, and that he should not only act as a Levite, but as a Nazarite.

there:
"All¹ the daysª of the vowª of his separationª there shall no¹ razorª comeª ° upon¹ his head:ª until¹ the daysª be fulfilled,ª ° in the which¹ he separatethª ° [himself] unto the LORD,ª he shall be¹ holy,ª [and] shall let the locksª of the hairª of his headª grow.ª °" {Num 6:5} + "For,¹ lo,¹ thou shalt conceive,² ¹ and bearª ° a son;ª and no¹ razorª shall comeª ° on¹ his head:ª for¹ the childª shall be¹ a Nazariteª unto Godª from¹ the womb:ª and he¹ shall beginª ° to deliverª °¹ Israelª out of the handª ¹ of the Philistines.ª" {Jdg 13:5}