mither             
verb Northern English informal uk/ˈmaɪ.ðər/ us/ˈmaɪ.ðɚ/
 [ I ]抱怨;大惊小怪 
to complain
  He's always mithering about how much everything costs these days. 他老是嘟囔着现在什么东西都贵。 
  [ T ](通过问问题或者索要某物而)激怒(某人) 
to annoy someone, for example by asking questions or asking for something
  Stop mithering me! Can't you see I'm busy? 别烦我!你没看到我很忙吗?