" Better to speak, she said. But she's on her guard. She senses a trap somewhere."

“公主对他说，最好是说出来。不过她有些防备，感觉似乎有陷阱。”

Right and proper to be on her guard—ay, but only to give in at last.

提防她是对的， 也是应该的——唉， 但最后只能屈服。

Lucy was on her guard at once, knowing by bitter experience what forgiving Miss Bartlett meant.

露西立刻提高了警惕， 她从痛苦的经历中知道宽恕巴特利特小姐意味着什么。

Oh, but who could walk all the way home with a wild handsome lad, and be on her guard all the time?

呵，谁能和一个狂野帅哥一路走回家， 还时刻提防着她呢？