トンネル

とんねる
noun
tunnel
1. tunnel
An underground passage, especially one built through a hill or under a road, river, or other obstacle.
トンネルを()けると(うみ)()えた。
When we emerged from the tunnel, we could see the ocean.
トンネルを抜ける = to pass through a tunnel
この(やま)(とお)るトンネルは5キロもある。
The tunnel through this mountain is 5 kilometers long.
トンネル工事(こうじ)渋滞(じゅうたい)していた。
There was traffic congestion due to tunnel construction.

トンネル is a loanword from English "tunnel." Japan is mountainous and has an extensive network of tunnels for roads and railways.

COMMON COLLOCATIONS:

  • トンネルを()ける: to pass through/emerge from a tunnel
  • トンネル工事(こうじ): tunnel construction
  • 海底(かいてい)トンネル: undersea tunnel
  • 地下(ちか)トンネル: underground tunnel
  • トンネルに(はい)る: to enter a tunnel

FIGURATIVE USAGE:
トンネルを()ける is also used figuratively to mean emerging from a difficult period — e.g., 不況(ふきょう)のトンネルを()ける (to emerge from a recession).

LITERARY REFERENCE:
The famous opening of Kawabata Yasunari's novel 雪国(ゆきぐに) (Snow Country): 「国境(くにざかい)(なが)いトンネルを()けると雪国(ゆきぐに)であった」 (The train came out of the long tunnel into the snow country).