blue devil

1. She alsoclaimed that Whitney often punches and bites herself until she is black and blue, thinking that the devil is attacking her.
   她还经常自虐，对自己拳打嘴咬，把身上搞得青一块紫一块，因为她觉得魔鬼正在攻击自己。

noun

1. the sodium salt of amobarbital that is used as a barbiturate

   Synonym:    amobarbital sodiumblueblue angelAmytal

2. a coarse prickly European weed with spikes of blue flowers

   Synonym:    blueweedblue thistleviper's buglossEchium vulgare