All children have a certain curiosity about sexual matters.
Just out of curiosity, where were you last night?
‘Why do you want to know?’ ‘Oh, just idle curiosity.’
“Why do you want to know?” “Oh, just idle curiosity.”
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。