Deceiving and lying mean the same thing and are stated to emphasize how angry Delilah felt. AT: "You have greatly deceived me!" (See: [[rc://en/ta/man/translate/figs-parallelism]])
The phrase "upon you" means that they are there to capture him. AT: "The Philistines are here to capture you" (See: [[rc://en/ta/man/translate/figs-idiom]])
# lying in wait
This means that they were hiding and waiting for the right moment to attack. AT: "waiting to attack him" (See: [[rc://en/ta/man/translate/figs-idiom]])
The author describes how easily Samson broke the ropes by comparing it to him breaking a piece of thread. AT: "as easily as if they were only a piece of thread" (See: [[rc://en/ta/man/translate/figs-simile]])