PHRASE
小题大做;大惊小怪
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.
例句
The British press, making a mountain out of a molehill, precipitated an unnecessary economic crisis.
英国报界小题大做，酿成了一场不必要的经济危机。