切断

• 拼音: qiē duàn
• 汉字拆解: 切 = 七 + 刀 (knife — to cut); 断 = 斤 + 米 (axe cutting through something — to break, to sever)

含义

To cut off; to sever; to interrupt or completely break a connection, supply, or link.

Used both literally (cutting through a wire, rope, or limb) and figuratively (cutting off supply lines, communications, or relationships). A versatile term appearing in military, technical, medical, and everyday contexts. Figuratively it is commonly used in strategic and conflict contexts: 切断补给线 (cut off supply lines), 切断联系 (sever ties).

例句

1. 地震导致山区通往外界的唯一道路被巨石切断，救援队只能依靠直升机运送物资。
2. 黑客入侵系统后，技术人员立即切断了受影响服务器与外部网络的连接，防止数据进一步泄露。
3. 医生在手术中精准切断了肿瘤的供血血管，为彻底切除创造了条件。

用法指南

语境: military, technology, medicine, everyday

语气: neutral

正确说法

• 联合国制裁决议生效后，多个成员国相继切断了与该国的贸易往来和金融渠道，使其经济陷入严重孤立。(After the UN sanctions resolution came into effect, multiple member states successively cut off trade and financial channels with the country, pushing its economy into serious isolation.)
• 运营商检测到异常流量后立即采取行动，切断了疑似遭受攻击的节点与核心网络之间的连接，成功遏制了攻击蔓延。(After detecting abnormal traffic, the operator immediately took action to cut off the connection between the suspected compromised node and the core network, successfully preventing the attack from spreading.)

错误说法

• 他切断了这段对话 — for abruptly ending a conversation use 打断 (to interrupt) or 中断谈话 (to break off the conversation); 切断 implies a complete and deliberate physical or technical severance

起源与历史

切 (to cut) + 断 (to break/sever) — to cut and break completely

文化背景

世代: All ages

社会背景: Universal