What does Judges 16:5 mean?

The Philistine rulers came to Delilah and said, 'Find out what makes Samson so strong and how we can overpower him. If you help us tie him up and control him, each of us will give you a huge amount of silver.' Judges 16:5 - Modern Text Bible

(The Philistine leaders bribe Delilah to discover the secret of Samson’s strength so they can finally defeat him.)