A cliff or precipice: a steep, nearly vertical slope or rock face, such as on coasts or mountains.
夕方、崖の上から海を眺めた。
In the evening, I looked out at the sea from the top of the cliff.
崖沿いの道は雨で滑りやすくなっている。
The road along the cliff has become slippery because of the rain.
写真家は崖の下の景色を撮影した。
The photographer shot the scenery below the cliff.
Figuratively, a brink or precipice of a dangerous situation—used to describe being close to disaster or a critical point.
会社は倒産の崖に立たされている。
The company is standing on the brink of bankruptcy.
彼は人生の岐路で崖のような選択を迫られた。
He was forced to make a cliff-like choice at a crossroads in life.