The manager warned that hiring decisions should never be made out of whimsy.

經理警告，招聘決定絕不能出於一時任性。

Our travel plans changed daily due to the director's whimsy, frustrating the entire team.

由於主管反覆無常，我們的出差行程天天變動，讓整個團隊很沮喪。

Investors lost confidence after the CEO's whimsy led to three sudden budget reversals.

執行長任性行事，導致預算三度突然翻轉，投資人因此失去信心。