名詞 detachment:

1. avoiding emotional involvement
   同義詞：withdrawal
2. the act of releasing from an attachment or connection
   同義詞：disengagement
3. the state of being isolated or detached
   同義詞：insulation, insularity, insularism
4. a small unit of troops of special composition
5. coming apart
   同義詞：separation, breakup

1. He watched her suffering with clinical detachment.
   他冷靜客觀地看著她遭受的痛苦。
2. Detachment from one's physical surroundings, as in contemplation or daydreaming.
   入定與某人的物質環(huán)境所分離，如在冥思或白日夢中
3. The detachment of the main force was ambushed by the enemy.
   從主力部隊派遣的小分隊遭到敵人的伏擊。
4. He showed detachment in his judgements.
   他表現出獨到的見解。
5. He answered with an air of detachment.
   他以超然的神態(tài)回答。

de.tach.ment

n.（名詞）
The act or process of disconnecting or detaching; separation.
分開，拆開：分開或拆開的動作或過程；分離
The state of being separate or detached.
被分開（或被拆開）的狀態(tài)
Indifference to or remoteness from the concerns of others; aloofness:
冷漠，超然：對別人的事情漠不關心；遠離人群：
例句：
preserved a chilly detachment in his relations with the family.
他與他的家庭保持著一種冷冷的、漠不關心的關系

Absence of prejudice or bias; disinterest:
不帶偏見；公正，客觀：
例句：
strove to maintain her professional detachment in the case.
在這件官司中，她努力保持職業(yè)的公正

The dispatch of a military unit, such as troops or ships, from a larger body for a special duty or mission.
分遣：為了特殊任務而從一個龐大母體中派遣某一軍事單元（如部隊或船只）
Abbr. det.The unit so dispatched.
縮寫 det.分遣隊，特遣艦隊：被分遣的部分
Abbr. det.A permanent unit, usually smaller than a platoon, organized for special duties.
縮寫 det.支隊：一個為特殊任務而組織排以下常備軍單位