After unsuccessfully "aiming" the darts, the Romulans had no idea what to do with the others. "They are not worthy of our attention. Leave them."
"But sir, we might be be able to use them as--"
"What part of leave them do you not understand? We cannot shoot them, otherwise their sensors would show that."
"Yes, but sir…"
"What," the older officer said very quietly, "do you not understand about leave them?"
"Nothing, sir! Understood, sir!"
"Bring the Captain and the Vulcan."