n.
He's a sly old fox.
foxvi., vt.
欺骗，欺诈
不懂；难住
The question foxed me completely.
问题完全把我难住了。
The second passage for reading comprehension on the examination paper foxed me completely; I couldn't understand it at all.
'试卷上阅读理解的第二篇文章完全把我弄胡涂了,我一点也看不懂。'
假装，装做