n. (Hira=すいどう) tunnel, hollow underground passage; protected conveyance conduit through a mountain or under a body of water, fielding error

n. (Trad=隧道, Pinyin=sui4 dao4) tunnel

n. (Simp=隧道, Pinyin=sui4 dao4) tunnel

[修道] cultivation of oneself; asceticism; spiritual discipline

---

[受渡] receipt and delivery

---

[囚徒] a prisoner; a (criminal) convict; a jailbird

---

[水稻] a waterfield [moist-land] rice plant; aquatic rice

---

[水道] water works; water service [supply]; an aqueduct; a water duct; a water course; city water; service water; service pipes

---

[隧道] a tunnel

---

[首都] a capital (city); a metropolis