赤の他人: (idiomatic) a complete stranger

Kyūjitai form of 霊: soul, spirit; ghost; mystery

予備: reserve

呼ぶ: to call (call out); to send for (someone); to call (something by a name)

四回: four times / 四階: fourth floor

呼ばれる: be treated to (a meal); Used other than figuratively or idiomatically: see 呼ぶ, れる.

hot and cold

a king, especially one who is not East Asian or was East Asian in pre-imperial times; in China and Vietnam, generally a king before Qin Shi Huangdi who invented the title 皇帝 (kōtei, “huangdi; emperor”); in Korea, one of the many kings before the Korean Empire which was modeled after Japan's; in Japan, one of the rulers before Emperor Jinmu

(weaponry) Synonym of カノン砲 (kanon-hō, “cannon”)

a canon