Trembling for fear (εντρομος γενομενος). "Becoming terrified." The adjective εντρομος (in terror) occurs in N.T. only here and Acts 7:32; Hebrews 12:21.

Fell down (προσεπεσεν). Second aorist active indicative of προσπιπτω, old verb. An act of worship as Cornelius before Peter (Acts 10:25), when προσεκυνησεν is used.