関与: taking part in / 干与: being concerned with

関与: take part in / 干与: be concerned with

巻頭: opening page of book; beginning of an essay; prefatory / 敢闘: fighting bravely / 完投: going the whole distance; pitching a whole game / 官等: official rank / 竿頭: top of a pole

関東: Kanto / 間島

uncertain; unclear; hazy / unreliable; unsteady

Synonym of 覚束ない (obotsukanai)

鉄瓶: tetsubin

(Internet slang, endearing, used by supporters) Donald Trump, American president

(slang, childish) boss, chief

(informal) "bottle-bottom glasses": eyeglasses with thick, round lens