双向

• Pinyin: shuāng xiàng
• Hanzi breakdown: 双 = 又 + 又 (double); 向 = 宀 + 口 (direction/toward)

Meaning

Two-way; bidirectional; mutual. Describes processes, communication, or systems that operate in both directions simultaneously.

Common in traffic (双向车道, two-way lanes), communication (双向沟通, two-way communication), and technology (双向传输, bidirectional transmission). The term implies reciprocity and mutual flow between two parties.

Examples

1. 这条公路已扩建为双向四车道，有效缓解了拥堵。 This highway has been expanded to four lanes in each direction, effectively easing congestion.
2. 良好的师生关系建立在双向尊重与信任的基础之上。 A healthy teacher-student relationship is built on mutual respect and trust.
3. 该平台支持双向数据传输，大幅提升了协作效率。 The platform supports two-way data transmission, greatly improving collaboration efficiency.

Usage Guide

Context: traffic, communication, technology, education

Tone: neutral

Do Say

• 有效的教学必须是双向互动的，而不是单向的知识灌输。(Effective teaching must be two-way and interactive, not one-directional transmission of knowledge.)
• 新建隧道实现了双向通行，彻底解决了长期困扰市民的交通瓶颈。(The newly built tunnel achieved two-way traffic flow, fully resolving the long-standing traffic bottleneck that troubled residents.)

Don't Say

• 双向感情 — use 相互的感情 or 彼此喜欢 in everyday speech; 双向 in emotional contexts sounds overly technical and unnatural

Origin & History

双 (double/two) + 向 (direction)

Cultural Context

Generation: All ages

Social background: Universal