由于

because; for; as; since; by; with; after; over; through; due; whereby; due to; because of; owing to; as a result of; on account of; thanks to; in view of; by reason of; now that; being; result from

害怕

afraid; scared; frightened; terrified; fearful; shy; alarmed; fear; dread; scare; be afraid of; be afraid for sth; be scared of; be terrified of; be frightened of; have a fear of; fright; terror; anxiety; apprehension; fearfully; nervously; uneasily; apprehensively

在里面

inside; on the inside