bug out

phrasal verb
1
to leave a place or situation, especially because it is becoming dangerous
فرار کردن, گریختن
2
to become too frightened to do something
از ترس عقب‌نشینی کردن, پاب‌پس کشیدن, وحشت‌زده شدن
Susan started to bug out when she heard a noise in the bushes.