'Is something wrong?' he enquired. [VERB with quote]

“有什么不对劲吗?”他问道。

'Who are you?' he enquired of the first man. [VERB + of]

“你是谁?”他问第一个人。

I rang up to inquire about train times. [VERB + about]

我打了电话查询列车时刻。

He inquired whether there had been any messages for him. [VERB wh]

他询问是否有留给他的口信。

He was so impressed that he inquired the young shepherd's name. [VERB noun]

他深受震动，就问那个年轻的牧羊人叫什么名字。

Inspectors were appointed to inquire into the affairs of the company. [VERB + into]

督查员受委派调查该公司的事务。