●ˌprey on sb’s ˈmind ( ˌplay on sb’s ˈmind) worry or trouble sb very much萦绕心头;使困扰;使耿耿于怀◆The death of his father is really preying on his mind at the moment. He thinks it was his fault.眼下,父亲的去世成为他的一块心病,他认为那是自己的过错。◆The question of whether to accept the new job and move to Scotland had been playing on his mind for days.是否接受新工作并搬到苏格兰去,数天来这个问题在他心头萦绕不去。