How is that

• 那是怎么回事； 请再说一遍； 你认为怎样

How is that的用法和样例：

例句

1. Chronos alarm notification is pending!
   等一长串的英文，这是怎么回事呢？
2. How is one dc nosebleed to return a responsibility?
   一直流鼻血是怎么回事啊？
3. I'm sorry, what was that word again?
   对不起，请再说一遍那个词好吗？
4. How do you think we can avoid incidents in the parks?
   你认为怎样能够避免在郊野公园内发生意外？