質しつ疑ぎ応おう答とう

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JLPTN1

Meanings

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noun

Q&A session; question and answer session

yojijukugo (four-character idiom)

Formal term for a structured session where questions are asked and answered, often after a presentation or lecture.

質substance, quality, matter

疑doubt, distrust, be suspicious

応apply, answer, yes

答solution, answer

質しつ問もん
質問 is a general question, while 質疑応答 refers to the whole session or process of questions and answers.
回かい答とう
回答 is a reply or answer, often written; 質疑応答 emphasizes the interactive back-and-forth nature.

Yojijukugo composed of 質疑 (question, doubt) and 応答 (reply, answer).