alp /ˈælp/
高山
Alp n.
1. A very high mountain. Specifically, in the plural, the highest chain of mountains in Europe, containing the lofty mountains of Switzerland, etc.
Nor breath of vernal air from snowy alp. --Milton.
Hills peep o'er hills, and alps on alps arise. --Pope.
2. Fig.: Something lofty, or massive, or very hard to be surmounted.
Note: ☞ The plural form Alps is sometimes used as a singular. “The Alps doth spit.”