have a cool head

例句：

1. 1. He was so angry that he had to have a cool head and think about the situation before reacting.
   他非常生气，需要冷静下来思考情况再反应。
2. 2. The CEO had a cool head when he made the tough decision.
   当CEO做出艰难决定时，他保持了冷静。
3. 3. She was able to have a cool head and make a good decision despite the pressure.
   尽管压力很大，她还是能够保持冷静做出好决定。