inquire about someone or something
to ask about someone or something. I inquired about Tom and was told that he doesn't live here anymore. You will have to inquire about that at the front desk.
inquire after someone
to ask about the well-being of someone. Jerry inquired after you when I saw him at the store today. I will inquire after his wife the next time I see him.
inquire for someone
to ask to see someone. Mr. Franklin, there is a man out here inquiring for you. What shall I tell him? Who is inquiring for me?
inquire into something
to look into something; to investigate something by asking questions. I will inquire into your complaint. It sounds as if something is wrong. We have not inquired into it yet.
inquire something of someone
to ask some information of someone. I need to inquire something of you. May I inquire something personal of you?
inquire within
to ask questions of a person inside [some place, such as a store or office]. (Formula. On a sign posted outside.) "Help wanted. Inquire within," read the sign on the door. If you want to apply, you must inquire within.