be afraid of (one's) (own) shadow(redirected from be afraid of their shadows)
be afraid of (one's) (own) shadow
To be easily or constantly spooked, nervous, timid, afraid, or fearfully suspicious. I can't say I have much faith in Johnny helping us on this expedition—that boy's afraid of his own shadow! You can't live life being afraid of your shadow—you need to get out into the world and taste adventure!