1.
undulation; rise and fall (terrain)
Physical variation in height, such as hills and valleys in landscape or waves.
起伏のある地形を歩く。
To walk across undulating terrain.
2.
ups and downs; vicissitudes
Figurative variation or fluctuation, such as emotional changes or life circumstances.
人生は起伏に富んでいる。
Life is full of ups and downs.
感情の起伏が激しい。
Their emotions fluctuate intensely.
起伏 combines 起 (rise) and 伏 (fall/lie down).
PHYSICAL USAGE:
- 起伏のある道: undulating road
- 起伏に富む地形: terrain rich in elevation changes
FIGURATIVE USAGE:
- 感情の起伏: emotional ups and downs
- 人生の起伏: life's vicissitudes
- 起伏に富む物語: story full of twists