lose their wool

• vi. 发怒

例句

用作不及物动词 (vi.)

1. Some birds swell their feathers with air when they get angry.
   有些鸟发怒时，便将羽毛支棱起来。
2. Only time to lose your temper is when it's deliberate.
   惟一可以发怒的时候是你有意为之的时候。