敬作: a male given name

圭一郎: a male given name

慶三郎: a male given name

警察署: police station

軽油: diesel, gas oil, light oil / 経由: via, by way of

経済学者: economist

已然形: realis form

連用形: An inflectional category; the conjunctive form. This is the base form after which various conjugational endings are added, such as て (te) or ます (masu). See Appendix:Japanese verbs for more details.

経芸: academic study of the Buddhist sutras / 鯨鯢: male and female whales; whales in general; a fierce fish; a major villain, a leader of criminals

重慶: Chongqing