ブルートレイン

noun

blue train; sleeper express train

Refers to a long-distance night train with sleeping cars, originally named after the blue color of the carriages. Now largely historical as most have been retired.

• かつてブルートレインは日本にほん各かく地ちを結むすんでいた。

  Blue trains once connected various parts of Japan.

• ブルートレインの寝しん台だい券けんは予よ約やくが難むずかしかった。

  It was hard to reserve a sleeper ticket on the blue train.