persona non grata /pɜːˈsəʊnə nɒn ˈɡrɑːtə/ (personaenongratae)

• 1.  

  PHRASE（习语） If someone becomes or is declared persona non grata, they become unwelcome or unacceptable because of something they have said or done. 不受欢迎的人

  例：

  The government has declared the French ambassador persona non grata and ordered him to leave the country.

  该政府已经宣布法国大使为不受欢迎的人，勒令其离境。