molehills

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）( molehill的名词复数 )；

Making molehills out of mountains: landscape genetics of the Mojave desert tortoise
From Mountains to Molehills: A Critical Review of Teotihuacan's Obsidian Industry
Studying Job Stress: Are We Making Mountains out of Molehills?
Making Mountains out of Molehills: An Informational Goals Analysis of Self and Social Perception
Mountains out of molehills? Tests of the mediating effects of self-esteem in predicting workplace complaining.
Silicon mountains, silicon molehills: geographic concentration and convergence of internet industries in the US
Making mountains of debt out of molehills: the pro-cyclical implications of tax and expenditure limitations.
Factors influencing molehill distribution in grassland: implications for the control of molehills
Assessing a non-traditional view of adipogenesis: adipocyte dedifferentiation--mountains or molehills?
The Invasion of Molehills by Weeds as a Possible Factor in the Degeneration of Reseeded Pasture. I. The Buried Viable Seed Populatio...