在线

• Pinyin: zài xiàn
• Hanzi breakdown: 在 = 土 + 才 (to exist/be present); 线 = 纟+ 戋 (thread/line/connection)

Meaning

Online; connected to the internet or a network; actively available on a digital platform.

A modern term central to digital life. 在线学习 (online learning), 在线服务 (online services), 在线客服 (online customer support). Also describes a person being currently active and reachable on a messaging or social platform. 在线率 (online rate) is a key metric for platforms.

Examples

1. 该平台提供全天候在线客服，用户遇到任何问题均可即时反馈。 The platform offers 24/7 online customer support, so users can report any issue immediately.
2. 自疫情暴发以来，在线教育产业迎来了前所未有的爆发式增长。 Since the outbreak of the pandemic, the online education industry has seen unprecedented explosive growth.
3. 他每日在线时长超过十小时，无论工作还是娱乐都高度依赖网络。 He spends more than ten hours online every day and relies heavily on the internet for both work and entertainment.

Usage Guide

Context: technology, internet, digital services, education

Tone: neutral

Do Say

• 公司已将核心业务流程迁移至在线平台，运营成本大幅降低，效率显著提升。(The company has migrated its core business processes to online platforms, significantly reducing operating costs and improving efficiency.)
• 教师要求学生在截止时间前将作业上传至在线学习管理系统完成提交。(The teacher required students to upload their assignments to the online learning management system before the deadline.)

Don't Say

• 他在线了吗 meaning 'is he available/responsive' in a face-to-face context — use 有空吗 or 方便讲话吗 for offline availability

Origin & History

在 (to be at/in/present) + 线 (line/network/connection)

Cultural Context

Generation: All ages

Social background: Universal