Definition
To exaggerate a minor issue into a major problem.
將小事誇大成嚴重的問題。
Don't make a mountain out of a molehill; it's just a spilled coffee.
不要小題大作；這只是打翻了一杯咖啡。
He always makes a mountain out of a molehill; even the smallest things make him feel like the sky is falling.
他總是小題大作；即使是最小的事情也讓他覺得天要塌下來了。
They were just discussing different opinions, don't make a mountain out of a molehill and call it a fierce argument.
他們只是在討論不同的意見，不要小題大作，把它說成激烈的爭論。