She puzzled over his behavior for a moment.有一阵子她为他的行为大伤脑筋。

I'm still puzzling over what he meant.我依然在苦苦思索他到底什么意思。

In rehearsing Shakespeare, I puzzle over the complexities of his verse and prose.排练莎剧时, 莎士比亚复杂的韵文和散文让我大伤脑筋。