地道

• Pinyin: dì dào
• Hanzi breakdown: 地 = 土 + 也 (earth); 道 = 辶 + 首 (road, path)

Meaning

Underground tunnel; underground passage. A passage constructed below ground level for military use, civil defence, or transportation.

As a noun: an underground passage used in warfare (地道战 — tunnel warfare), civil defence, or urban infrastructure. As an adjective (same characters): authentic, genuine, or standard — e.g., 地道的普通话 (standard Mandarin). The noun sense is more technical; the adjective sense is colloquial and very common.

Examples

1. 抗日战争期间，冀中平原的民众挖掘了密如蛛网的地道，以抵御日军的扫荡。 During the War of Resistance against Japan, people on the central Hebei plain dug an underground tunnel network as dense as a spiderweb to defend against Japanese sweeps.
2. 施工队在城市地下修建了一条地道，以缓解地面交通拥堵问题。 A construction team built an underground passage beneath the city to ease surface traffic congestion.
3. 这条古代地道隐匿在民居之下，据考古学家估计已有逾千年历史。 This ancient tunnel is hidden beneath residential homes; archaeologists estimate it is more than a thousand years old.

Usage Guide

Context: military history, archaeology, civil engineering, urban planning

Tone: neutral

Do Say

• 地道战是中国抗日战争中的重要军事策略，充分体现了人民群众的集体智慧。(Tunnel warfare was an important military strategy during China's War of Resistance against Japan, fully embodying the collective wisdom of the people.)
• 城市核心区地下地道的修建，不仅缓解了地面交通压力，还有效利用了地下空间资源。(The construction of underground tunnels in the city centre not only relieved surface traffic pressure but also made effective use of underground space resources.)

Don't Say

• 走进地道里面 — redundant; 地道 is already underground, so 里面 is implied; say 走进地道 or 进入地道

Origin & History

地 (earth/ground) + 道 (road/path) — a road through the ground

Cultural Context

Era: Ancient to present

Generation: All ages

Social background: Universal