New Revised Standard Version
When he saw her, he tore his clothes, and said, “Alas, my daughter! You have brought me very low; you have become the cause of great trouble to me. For I have opened my mouth to the LORD, and I cannot take back my vow.”

Contemporary English Version
"Oh no!" Jephthah cried. Then he tore his clothes in sorrow and said to his daughter, "I made a sacred promise to the LORD, and I must keep it. Your coming out to meet me has broken my heart."

New American Bible
When he saw her, he tore his garments and said, “Ah, my daughter! You have struck me down and brought calamity upon me. For I have made a vow to the LORD and I cannot take it back.”

Douay-Rheims Bible
And when he saw her, he rent his garments, and said: Alas! my daughter, thou hast deceived me, and thou thyself art deceived: for I have opened my mouth to the Lord, and I can do no other thing.

And when he saw her, he rent his garments, and said: Alas! my daughter, thou hast deceived me, and thou thyself art deceived: for I have opened my mouth to the Lord, and I can do no other thing.

rent his clothes

Genesis 37:29,30,34,35 And Ruben returning to the pit, found not the boy: . . .

Genesis 42:36-38 Their father Jacob said: You have made me to be without children: Joseph is not living, Simeon is kept in bonds, and Benjamin you will take away: all these evils are fallen upon me. . . .

2 Samuel 13:30,31 And while they were yet in the way, a rumour came to David, saying: Absalom hath slain all the king's sons, and there is not one them left. . . .

2 Samuel 18:33 The king therefore being much moved, went up to the high chamber over the gate, and wept. And as he went he spoke in this manner: My son Absalom, Absalom my son: would to God that I might die for thee, Absalom my son, my son Absalom.

Job 1:20 Then Job rose up, and rent his garments, and having shaven his head, fell down upon the ground, and worshipped,

have opened

Leviticus 27:28,29 Any thing that is devoted to the Lord, whether it be man, or beast, or field, shall not be sold: neither may it be redeemed. Whatsoever is once consecrated shall be holy of holies to the Lord. . . .

Numbers 30:2-5 If any man make a vow to the Lord, or bind himself by an oath: he shall not make his word void but shall fulfil all that he promised. . . .

Psalm 15:4 In his sight the malignant is brought to nothing: but he glorifieth them that fear the Lord. He that sweareth to his neighbour, and deceiveth not;

Ecclesiastes 5:2-6 Speak not any thing rashly, and let not thy heart be hasty to utter a word before God. For God is in heaven, and thou upon earth: therefore let thy words be few. . . .

I cannot

Judges 21:1-7 Now the children of Israel had also sworn in Maspha, saying: None of us shall give of his daughters to the children of Benjamin to wife. . . .

1 Samuel 14:44,45 And Saul said: May God do so and so to me, and add still more: for dying thou shalt die, O Jonathan. . . .

Matthew 14:7-9 Whereupon he promised with an oath, to give her whatsoever she would ask of him. . . .

Acts 23:14 Who came to the chief priests and the ancients and said: We have bound ourselves under a great curse that we will eat nothing till we have slain Paul.