【明報專訊】Moles (鼹鼠) are small animals that live beneath the soil. They are widely known for digging hills in gardens and lawns. The hills are called molehills (鼹鼠丘), and though they aren't big, they are quite annoying. That has given us the proverb make a mountain out of a molehill. "It means to exaggerate the importance or the significance of a problem or a worry," Teddy said.