molehill
US
UK molehill n: (earth dug up by a mole) (鼹鼠打洞挖出来的泥土堆)
SC 鼹鼠丘 yǎn shǔ qiū
Our back yard is full of molehills and weeds.
make a mountain out of a molehill v expr: figurative (exaggerate a trivial problem)
SC 小题大做 xiǎo tí dà zuò
TC 小題大做
TC 小題大做