休会:

be careful, watch out / take care

to be careful about ~

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

関与: take part in / 干与: be concerned with

関東: Kanto / 間島