quail       
 noun [ C or U ] uk/kweɪl/ us/kweɪl/  quail or quails
 鹌鹑
a small, brown bird that is shot for sport or food, or the meat of this bird
  Quails' eggs are considered to be a delicacy. 鹌鹑蛋被视为美味佳肴。 
 quail       
verb [ I ]  literary uk/kweɪl/ us/kweɪl/
 害怕;退缩
to feel or show fear; to want to be able to move away from something because you fear it
  Charlie quailed at the sound of his mother's angry voice. 查理听到他母亲愤怒的声音,心里不由得感到发毛。 
 She quailed before her boss's anger. 她在老板的怒火前退缩了。