有眼无珠怎么翻译

有眼无珠:
1. lack discerning power
2. as blind as a bat (简明汉英词典)

你真是有眼无珠。当时我就站在10码之外，而你竟然没有看见我。
You must be as blind as a bat.I was standing ten yards away,and you looked straight through me.

to have eyes but not see

as blind as a bat

参考资料：
http://club.learning.sohu.com/read_elite.php?b=translate&a=800450

as blind as a bat
楼主以后有要汉译英或英译汉的句子，只要登陆这个网站即可：
www.kingsoft.com