Remember that you have given me your solemn oath never to enquire into this night's adventures.

请记住，你曾向我庄严宣誓，决不调查今晚的冒险经历。

She then proceeded to enquire into the measures which her father had intended to pursue, while in town, for the recovery of his daughter.

然后她又问起父亲这次到城里去，打算采用什么方法去找到丽迪雅。

This kind of thing: " A man was seen yesterday buying a third-class ticket from the new London and Birmingham Railway. The state of his mind is being enquired into."

“昨天看到有人从新成立的伦敦一伯明翰铁路公司买了一张三等车票。正在了解他的想法。”