molehill

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mole·hill /ˈməʊlˌhɪl $ ˈmoʊl-/ noun [countable]  HBAa small pile of earth made by a mole 鼹鼠丘 → make a mountain out of a molehill at mountain(4)

Examples from the Corpus

molehill• They were too embarrassed or didn't want to make a mountain out of a molehill.• Trust a woman to make a mountain out of a molehill!• You're making a mountain out of a molehill, Dorothy.• The other experts thought he was making a mountain out of a molehill.• No sense in making a mountain over a molehill.• They have a knack for turning molehills into mountains.

mole·hill nounChineseSyllable  

a earth made of by pile Corpus small a

molehill
mole‧hill /ˈməʊlˌhɪl $ ˈmoʊl-/ noun [countable]
a small pile of earth made by a mole
⇨ make a mountain out of a molehill at mountain(4)

mole·hillBrE /ˈməʊlhɪl/ 🔊NAmE /ˈmoʊlhɪl/ 🔊 nouna small pile of earth that a mole leaves on the surface of the ground when it digs underground 鼹丘（由鼹鼠挖洞扒出的泥土堆成）●make a ˌmountain out of a ˈmolehill(disapproving) to make an unimportant matter seem important 小题大做；夸大其词