indirect question
noun [ C ] language specialized uk/ˌɪn.daɪ.rekt ˈkwes.tʃən/ us/ˌɪn.daɪ.rekt ˈkwes.tʃən/
间接疑问（书面或口头表达里，转述他人的疑问，而不是直接提出的原始问题，如“他问我怎么了。”）
a question that is reported to other people in speech or writing, rather than the exact words of the original question, for example '"He asked me what was wrong."