2QUANT 大量;大堆 If you talk about a mountain of something, or mountains of something, you are emphasizing that there is a large amount of it. 大量;大堆 [informal, emphasis]
They are faced with a mountain of bureaucracy.
他们面对一大堆繁文缛节。
They have mountains of coffee to sell.
他们有大量的咖啡要卖。
3PHRASE 极大的困难;难办的事情;棘手的难题 If you say that someone has a mountain to climb, you mean that it will be difficult for them to achieve what they want to achieve. 极大的困难;难办的事情;棘手的难题 [journalism]
'We had a mountain to climb after the second goal went in,' said Crosby.
克罗斯比说:“进第二个球之后,我们面临着严峻的挑战。”
4 to make a mountain out of a molehill→see: molehill