noun
big gamble; big plunge
Figurative use: a large-scale bet or risky venture. Often used in contexts like gambling, business, or life decisions.
彼は会社を辞めて起業するという大山を張った。
He took a big gamble by quitting his job to start a business.
noun
big mountain
Original literal meaning: a large mountain. Now less common as a standalone word; more often seen in proper names or fixed expressions.
「大山」は文字通り大きな山を指すこともあるが、現代では地名や比喩で使われることが多い。
While 大山 can literally mean a big mountain, it is more often used in place names or figuratively in modern Japanese.