x is shaking (quaking) in his boots
1afraid */*/*/ — UK [əˈfreɪd] / US adjective [never before noun] Metaphor: Feeling afraid is like feeling cold. I felt a chill of fear. ♦ An icy hand clutched her heart. ♦ I was in a cold sweat before the audition. ♦ The howling noise sent shivers down his spine …
