1) be of frequent [rare] occurrence
是常[少]有的
2) such was the case with
对...是常有的事
4) such was the case with
对¥是常有的事;总是如此
5) Yes, sure.
是的,有空。
6) he is such a baby; Such rich people!
他是最年轻的;非常富有的人!
参考词条