Wisdom of Solomon

malicious knowledge

(idiomatic) to rack one's brain, to think really hard

床虱: bedbug

小島, 小嶋, 小嶌: a surname / 児島, 児嶋: a surname

(astronomy) Leo Minor

horizontal stripe

古城: old castle / 弧状: in the form of an arch / 湖上: on the lake / 孤城: isolated castle

modern language / (especially in reference to Japanese) modern Japanese; Japanese in its current form, spoken since the Meiji era and based on the Tokyo dialect

"Modern kana usage", the method of using kana to write Japanese that has been used after the 1946 (post-war) Japanese national language reform. Unlike its predecessor, it is almost entirely phonetic, reflecting modern language with little ambiguity.