shifting

Refers to sand dunes that are constantly changed by the wind; also used metaphorically for something unreliable.

均衡の変化

Often used in the context of power, influence, or opinion (e.g., shifting balance of power).

権力、影響力、意見の文脈でよく使用されます（例：パワーバランスの変化）。

移り変わる風潮

Refers to the changing direction of the sea tide; often used metaphorically for changing opinions or circumstances.

変化する傾向や意見

流動的な同盟

Refers to alliances, especially political or military, that are not stable and change over time.

特に政治的または軍事的な同盟で、不安定で時間とともに変化するものを指します。

Used to describe a change in loyalty, often in a political or personal context.