洞 (den, cave, excavation)

この詩しは読者どくしゃの大おおいなる洞察どうさつを必要ひつようとしている。

This poem calls for great insight from the reader.

彼かれの洞察どうさつは鋭するどい

His insight is sharp.

たくさんの木々が生い茂る公園内には、京都御所、仙洞御所、京都大宮御所、宮内庁京都事務所、皇宮警察本部京都護衛署などの宮内庁・皇宮警察関連の施設をはじめ、九条邸の拾翠亭などの数少ない公家屋敷の遺構、公園の管理を行う環境省京都御苑管理事務所のほか、グラウンドやテニスもあり、市民の憩いの場になっている。

Kyoto Gyoen is a relaxing place for citizens with abundant trees, together with facilities related to the Imperial Household Agency and Imperial Guard such as the Kyoto Imperial Palace, Sento Imperial Palace, Kyoto Omiya Imperial Palace, Kyoto Office of the Imperial Household Agency and Kyoto Guard Station of the Imperial Guard Headquarters, several remains of residences of the nobility such as Shusui-Tei which used to be Kujo House, Kyoto Gyoen National Garden Office, Ministry of the Environment which manages the garden, and athletic facilities such as a playground and tennis court.