通暁: to be well versed in something, to be thoroughly acquainted with something

大企業: large company, conglomerate

雷魚: snakehead

魚油: fish oil

凝注: / 蟯虫: pinworm

凝注:

悪行: misdeed;  wrongdoing;  wickedness

杜父魚: a Japanese fluvial sculpin (species Cottus pollux), more commonly known as 鰍 (kajika)

玉露: dewdrop appearing like a gleaming jewel; the highest grade of green tea

玉: gem, jewel; generic name for jade stones such as jadeite or nephrite; chicken eggs used as food; a geisha