As Main and Lutz begin making their paper for real, Main's excitement gets the better of her, and Lutz's suspicions come to a head. He resolves to talk about it after the paper is finished.
but I couldn't tell what was on Lutz's mind.
لكن لم أستطع معرفة ما الذي كان يدور في ذهنِ لوتز
aber mir blieb es ein Rätsel,
was in Lutz’ Kopf vorging.
Mas eu não sabia o que estava
se passando na cabeça do Lutz.