2 Kings 6:10

So the king of Israel sent word to the place the man of God had pointed out. Time and again Elisha warned the king, so that he was on his guard in such places.

Note Literally Not once and not twice

BSB · Berean Standard Bible
And the king of Israel sent to the place which the man of God told him and warned him of, and saved himself there, not once nor twice.
KJV · King James Version
The king of Israel sent to the place which the man of God told him and warned him of; and he saved himself there, not once or twice.
WEB · World English Bible
And the king of Israel sent to the place which the man of God told him and warned him of; and he saved himself there, not once nor twice.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

sent to the place
To see if it were so. But the Vulgate renders, {misit rex Israel ad locum, et præoccupavit eum;} "the king of Israel sent to the place, and pre-occupied it;" which is very likely, though not expressed in the Hebrew text.
2 Kings 5:14; Exodus 9:20, 21; 1 Kings 20:15; Proverbs 27:12; Matthew 24:15–17
warned him
Ezekiel 3:18–21; Matthew 2:12; Matthew 3:7; Hebrews 11:7
saved
2 Kings 2:12; 2 Kings 13:14; 2 Chronicles 20:20; Amos 7:1–6; Acts 27:24