mope around (somewhere)
phrasal verb with mope verb [ I ] disapproving uk/məʊp/ us/moʊp/
(UK also mope about (somewhere))
（在…）没精打采地闲逛
to move from one place to another without any particular purpose or energy, because you are unhappy or disappointed
He was driving me crazy, moping around the house all day. 他整天在房子里没精打采地走来走去，快把我弄疯了。