attrition

1. N-UNCOUNT Attrition is a process in which you steadily reduce the strength of an enemy by continually attacking them. (對敵人持久攻擊使其力量)削弱[正式]

The rebels have declared a cease-fire in their war of attrition against the government. 在與政府的消耗戰中，叛軍已宣佈停火。

2. N-UNCOUNT At a university or place of work, attrition is the decrease in the number of students or employees caused by people leaving and not being replaced. (學生或雇員)人數減少[美國英語]

The company cut its workforce through natural attrition and fewer hirings. 該公司通過自然流失及減少招聘縮減了員工數量。