She pronounced his name so badly he didn't even recognize it.

pronounced 是动词 pronounce 的过去式。pronounce 由前缀 pro-（表示"向前"）和词根 -nounce（来自拉丁语 nuntiare，意为"宣布、说出"）组成，意思是"发音、宣布"。在这里表示"发出某个词的音"即"念出"。