The merger failed partly because of long-standing enmity between the two companies' managers.

這次合併失敗，部分原因是兩家公司經理之間長期的敵意。

Years of enmity between the departments made the budget meeting tense and unproductive.

部門之間多年的敵對關係，讓預算會議氣氛緊張又毫無成果。

The new hire tried to avoid any enmity with coworkers by staying polite in every email.

這位新進員工在每封電子郵件中都保持禮貌，盡量避免與同事結怨。