你可以说"她表扬了彼得的英语"。这句话的来源可能是彼得自己或者其他人在谈论他的英语水平时提到的。例如：

"Peter's Engpsh is really good. She praised him for it." (彼得的英语真的很棒。她表扬了他的英语水平。)
"She praised Peter for his Engpsh skills. He's come a long way." (她表扬了彼得的英语技巧。他已经进步得很快。)

此外，你也可以说"她赞扬了彼得的英语"或"她称赞了彼得的英语"。例如：

"She comppmented Peter on his Engpsh. He must have been studying hard." (她赞扬了彼得的英语。他一定在努力学习。)
"She praised Peter's Engpsh. He must be proud of himself." (她称赞了彼得的英语。他一定很自豪。)