molehill /ˈməʊlˌhɪl/

• 1. 

  N-COUNT A molehill is a small pile of earth made by a mole digging a tunnel. 鼹鼠丘

• 2. 

  PHRASE If you say that someone is making a mountain out of a molehill, you are critical of them for making an unimportant fact or difficulty seem like a serious one. 小题大做; 大惊小怪 [表不满]

  例：

  The press, making a mountain out of a molehill, precipitated an unnecessary economic crisis.

  新闻界小题大做，促成了一场不必要的经济危机。