molehill /ˈmoʊlˌhɪl/ noun plural molehills
plural molehills
Learner's definition of MOLEHILL
[count]
: a small pile of dirt that is pushed up by a mole when it digs tunnels underground鼹丘(由鼹鼠打洞时挖出的泥土堆积而成)
make a mountain out of a molehill
: to make something seem much more difficult or important than it really is小题大做