persona non grata
(Latin 拉) person who is not acceptable to others, esp to a foreign government 不受歡迎的人(尤指不受外國政府歡迎的)
He was declared persona non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開該國.
(joc 謔) He forgot to buy more coffee yesterday, so he was persona non grata at breakfast this morning! 他因昨日忘了多買些咖啡, 今晨早餐上遂成為家中眾矢之的.