Everest

noun [专属名词]难以做到的事；埃佛勒斯峰（西方对珠穆朗玛峰的称呼）

Mount Everest is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas.
珠穆朗玛峰是地球上海拔最高的山峰，位于喜马拉雅山脉的马哈兰古尔喜马拉雅亚山脉。