molehill

n.

（由鼹鼠打洞扒出的泥土堆成的）鼹鼠丘，无意义的事，小困难（或障碍）；

复数：molehills

1. Never make a mountain of a molehill.
   [谚]切勿小题大做。

Crisis: when does a molehill become a mountain?
Statins in liver disease: A molehill, an iceberg, or neither?
A Mountain out of a Molehill: Do We Treat Acute Leptospirosis, and If So, with What?
Virus 'quasispecies': making a mountain out of a molehill?
A mountain or a molehill: is the illicit trade in cigarettes undermining tobacco control policy in South Africa?
Response styles in affect ratings: making a mountain out of a molehill.
Cirrhosis and liver failure in nonalcoholic fatty liver disease: Molehill or mountain?
Understanding and addressing the “neglect of neglect:” Digging into the molehill
Endoscopists, polyp size, and post-polypectomy surveillance: making a mountain out of a molehill?
The Invasion of Molehills by Weeds as a Possible Factor in the Degeneration of Reseeded Pasture. I. The Buried Viable Seed Populatio...