賽子, 骰子: die; dice

七転び八起き: the ups and downs of life

(informal) easily defeatable / losing

six-year secondary school (type of school introduced in the 1998 revision of the Japanese School Education Law)

硬口蓋音: palatal consonant

考え: thought, opinion

図鑑: An illustrated reference book, such as a field guide, bestiary, guide book, or picture book

監視網: surveillance network

寒天: Agar, agar-agar. / 寒点: The sensory cells of the skin that perceive cold. / 官展: An art exhibit hosted by the government. / 寛典: A generous favor; merciful treatment, a merciful sentence.

関与: taking part in / 干与: being concerned with