New Revised Standard Version
When Moab presents himself, when he wearies himself upon the high place, when he comes to his sanctuary to pray, he will not prevail.

Contemporary English Version
It's useless for Moab's people to wear themselves out by going to their altars to worship and pray.

New American Bible
When Moab wears himself out on the high places, and enters his sanctuary to pray, it shall avail him nothing.

Douay-Rheims Bible
And it shall come to pass, when it is seen that Moab is wearied on his high places, that he shall go in to his sanctuaries to pray, and shall not prevail.

And it shall come to pass, when it is seen that Moab is wearied on his high places, that he shall go in to his sanctuaries to pray, and shall not prevail.

when

Isaiah 15:2 The house is gone up, and Dibon to the high places to mourn over Nabo, and over Medaba, Moab hath howled: on all their heads shall be baldness, and every beard shall be shaven.

Isaiah 26:16 Lord, they have sought after thee in distress, in the tribulation of murmuring thy instruction was with them.

Numbers 22:39,41 So they went on together, and came into a city, that was in the uttermost borders of his kingdom. . . .

Numbers 23:1-3,14,28 And Balaam said to Balac: Build me here seven altars, and prepare as many calves, and the same number of rams. . . .

Numbers 24:17 I shall see him, but not now: I shall behold him, but not near. A STAR SHALL RISE out of Jacob and a sceptre shall spring up from Israel: and shall strike the chiefs of Moab, and shall waste all the children of Seth

Proverbs 1:28 Because they have hated instruction, and received not the fear of the Lord,

Jeremiah 48:35 And I will take away from Moab, saith the Lord, him that offereth in the high places, and that sacrificeth to his gods.

he shall

Isaiah 37:38 And it came to pass, as he was worshipping in the temple of Nesroch his god, that Adramelech and Sarasar his sons slew him with the sword: and they fled into the land of Ararat, and Asarhaddon his son reigned in his stead.

1 Kings 11:7 Then Solomon built a temple for Chamos, the idol of Moab, on the hill that is over against Jerusalem, and for Moloch, the idol of the children of Ammon.

2 Kings 3:27 Then he took his eldest son, that should have reigned in his stead, and offered him for a burnt offering upon the wall: and there was great indignation in Israel, and presently they departed from him, and returned into their own country.

Jeremiah 48:7,13,46 For because thou hast trusted in thy bulwarks, and in thy treasures, thou also shalt be taken: and Chamos shall go into captivity, his priests, and his princes together. . . .

but

Isaiah 47:13 Thou hast failed in the multitude of thy counsels: let now the astrologers stand and save thee, they that gazed at the stars, and counted the months, that from them they might tell the things that shall come to thee.

2 Kings 19:12,16-19 Have the gods of the nations delivered any of them, whom my fathers have destroyed, to wit, Gozan, and Haran, and Reseph, and the children of Eden, that were in Thelassar? . . .

Psalm 115:3-7 But our God is in heaven: he hath done all things whatsoever he would. . . .

Jeremiah 10:5 They are framed after the likeness of a palm tree, and shall not speak: they must be carried to be removed, because they cannot go. Therefore fear them not, for they can neither do evil nor good.