*moun·tain/`mantṇ; ˈmaʊntɪn/ n [C] 1 a very high hill 高山，山岳: the Swiss mountains 瑞士的山脉 2informal a large amount of something 【非正式】 大量; 大堆: a mountain of ironing 一大堆待熨的衣服 3 make a mountain out of a molehill to treat a small problem as if it were very serious 小题大作