"caprice" in Chinese (Traditional)
任性反覆無常
Definition
突然且不可預測的情緒或行為變化，或一時衝動、沒有原因地想做某事。
Usage Notes (Chinese (Traditional))
多見於正式或文學語境，口語中很少用。常與“命運的反覆無常”等詞語搭配；與“心血來潮”相似，但更文雅。
Examples
His moods changed with every caprice of the weather.
他的情緒隨天氣的每一個**反覆無常**而變化。
Sometimes life seems to move by the pure caprice of fate.
有時候人生彷彿全由命運的**反覆無常**推動。
Her decision to travel was a simple caprice.
她決定去旅行，只是一時的**任性**。
The artist changed his style on a caprice.
那位藝術家因一時的**任性**改變了風格。
Buying the expensive watch was a caprice he later regretted.
買昂貴的手錶是他的一個**任性**，後來他後悔了。
She decorated her room on a caprice, picking colors without any plan.
她全憑一時的**任性**佈置了房間，顏色隨意挑選。