你可以说 "I have big eyes."
这种表达来源于人们对外貌特征的描述，并且是一个通俗易懂的表达方式。
下面是一些相关的例句：
"Her big eyes are her most striking feature." (她那双大眼睛是她最引人注目的特征。)
"He was captivated by her big, brown eyes." (他被她那双大的棕色眼睛吸引住了。)
"The anime character is known for their big, round eyes." (这个动漫角色因其圆圆的大眼睛而闻名。)