make a mountain out of a molehill foolishly or pointlessly exaggerate the importance of something trivial.
☞ The contrast between the size of molehills and that of mountains has been made in this and related expressions since the late 16th century.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。