Judges 16:6
And Delilah said to Samson, Tell me, I pray thee, wherein thy great strength lieth, and wherewith thou mightest be bound to afflict thee.
Cross-reference
Judges 14:17 shows Samson's first wife pressing him for a secret until he told—same pattern as Delilah here.
Proverbs 7:21 depicts seductive speech persuading a man, exactly what Delilah uses to get Samson's secret.
Proverbs 22:14 calls the mouth of a forbidden woman a deep pit, which Samson falls into through Delilah's words.
Proverbs 26:28 says a flattering mouth works ruin, directly describing Delilah's flattery leading to Samson's ruin.
Micah 7:5 warns against trusting even a wife who lies in your arms—exactly Delilah's situation with Samson.
Psalm 12:2 describes flattering lips and deceit, which matches Delilah's deceptive questioning of Samson.
Jeremiah 9:2-5 describes pervasive deceit and betrayal, mirroring Delilah's betrayal of Samson.
Micah 7:2 describes people hunting each other with nets—parallel to Delilah's deceitful hunting of Samson's secret.