The British press, making a mountain out of a molehill, precipitated an unnecessary economic crisis.英国新闻界小题大做, 引发了一场不必要的经济危机。

You are making a mountain out of a molehill. There will be many more serious problems to face as he grows older.你在小题大做。他再长大一些, 将会面对很多更为严重的问题。