The moon shone clear above them, and they rode swiftly abreast, taking that course which the maid must needs have taken if she were to reach her own home.
请教老师:which the maid must needs have taken - 怎么会出现了must needs - 如何理解和分析呢?
must needs比较古旧的用法
A set phrase used to emphasize that one absolutely has to do something.
1. You must needs plow this field before the sun sets!
2. He must needs apologize to her, if he ever wants to regain her trust.