💡 Detailed Explanation
The noun '理由' (reason) is read as 'りゆう' (riyū). Sentence translation: 'Please tell me the reason why you were absent from school.' The first kanji '理' is read as 'り' (ri) and the second '由' is read as 'ゆう' (yū). Do not confuse it with '自由' (じゆう - freedom).