feel prickles down one’s back —feel nervous and un easy ? 越獄的人日夜～。The man who had escaped felt nervous and uneasy day and night. ? 倘不穿 “無縫天衣”，他便要終日如 “芒刺在身”，活不下去了。(《魯迅選集》 Ⅲ—318))Then unless he wears a “seamless divine garment”，he will feel pricked all over and life will become quite unbearable.
芒刺在背mang ci zai bei
feel prickles down one's back—feel nervous and uneasy
芒刺在背mánɡ cì zài bèi
芒刺：指植物莖葉、果殼上的小刺。比喻心中驚慌，坐立不安。feel nervous and uneasy, feel prickles down one’s back, sit on thorns