Used predicatively (without article) for: A fact or circumstance which brings disgrace or discredit (to a person, etc.); matter for severe reproach…
Similarly a shame, a great shame. Now common in colloquial use.
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。