一ひと山やま

noun

one mountain

Literal counting of a single mountain. Often used in contexts like hiking or geography.

• 今日きょうは一ひと山やま越こえて隣となりの村むらまで歩あるいた。

  Today I walked over one mountain to the next village.

noun

pile; heap; lot

Refers to a pile or heap of items, or a batch/lot in sales or auctions. Often used with counters or in commercial contexts.

• 市いち場ばで一ひと山やまいくらの野や菜さいを買かった。

  I bought a pile of vegetables at the market for a set price.

• オークションで一ひと山やままとめて落らく札さつした。

  I won a whole lot at the auction.

noun

hump; worst part

Metaphorical use: the peak or hardest part of a task, or a hump-shaped obstacle. Often in phrases like 一山越える (get over the hump).

• このプロジェクトの一ひと山やまを越こえれば、あとは楽らくだ。

  Once we get over the hump of this project, the rest will be easy.

noun

large profit; killing

Used in the set phrase 一山当てる (to make a killing, strike it rich). Not used independently for profit.

See also: 一山当てる (ひとやまあてる)

• 彼かれは株かぶで一ひと山やま当あてた。

  He made a killing in stocks.