Meaning and Usage
The word 隧道 (suìdào) specifically refers to a tunnel, usually an underground or mountain passage constructed for transportation or utility purposes. It is a noun commonly used in contexts involving infrastructure, construction, and urban planning.
Common Collocations
- 地铁隧道 (dìtiě suìdào): subway tunnel
- 山中隧道 (shān zhōng suìdào): mountain tunnel
- 公路隧道 (gōnglù suìdào): highway tunnel
These collocations highlight typical environments where 隧道 is used.
Usage Notes
隧道 is a formal term often used in technical or official contexts. It is not used metaphorically or in casual speech to mean 'path' or 'way' despite 道 meaning 'way'. When talking about tunnels in everyday conversation, people might also use simpler terms like "洞" (dòng) but 隧道 is more precise.
Common Confusions
Do not confuse 隧道 with 道路 (dàolù), which means 'road' or 'path'. 隧道 specifically refers to a tunnel structure, often underground or through mountains, whereas 道路 is a general term for roads or streets.
Summary
Use 隧道 when referring to constructed tunnels, especially in engineering, transportation, and urban infrastructure contexts. It is a technical noun and appears frequently in news, construction reports, and official documents.