Translate the following sentence into Turkish.
Your distress, seen by Otto Keller, was caused by the fact that you had earlier met with Villette and been threatened by him with exposure of your affair with Madame Grandfort.
Otto Keller'in gördüğü sıkıntınızın nedeni... ..daha önce Villette'le buluşmanız ve Bayan Grandfort'la... ..ilişkinizi açıklama tehdidi almanızdı.