persona non grata
noun[Cnot after the]
uk/pəˌsəʊ.nə nɒn ˈɡrɑː.tə/us/pɚˌsoʊ.nə nɑːn ˈɡrɑː.t̬ə/pluralpersonae non grataeuk/pəˌsəʊ.niː nɒn ˈɡrɑː.tiː/us/pɚˌsoʊ.niː nɑːn ˈɡrɑː.t̬iː/politicsspecialized
apersonwho is notwantedorwelcomein aparticularcountry, because they areunacceptabletoitsgovernment:
不受（某国）欢迎的人He wasdeclaredpersonanongrata andaskedtoleavethecountrywithin 48hours.他被宣布为不受欢迎的人，限期在48小时内离开该国。
someone who is notpopularoracceptedbyothers:
不受欢迎的人From thelookontheirfaces, I wasobviouslypersonanongrata.从他们的表情上来看，我显然是不受欢迎的人。