The airline industry has had a vicissitudinous decade, with record profits followed by deep losses.

航空業經歷了變化無常的十年，創紀錄的獲利之後緊接著是嚴重虧損。

Our sales director described the quarter as vicissitudinous, given the sudden shifts in client demand.

由於客戶需求突然轉變，我們的業務總監形容這一季起伏不定。

After a vicissitudinous career in shipping, Mr. Lin finally settled into a stable logistics role.

林先生在航運業歷經大起大落的職涯後，終於在物流部門安定下來。