criminal / culprit

化繊: synthetic fiber / 寡占: oligopoly / 河川: rivers / 火箭: fire arrow / 火線: firing line / 歌仙: great poet / 河船: riverboat / 渦線: spiral line / 架線: overhead wire, aerial wiring / 下線: underline

化石: fossil, petrifaction, fossilization

枷: shackles / 桛, 綛: reel; a skein of thread / 加背: cross section of tunnel face / 甲蠃, 石陰子: sea urchin / 痂: scab / 校: school building

悴: skinny, poor, insignificant

仮説: hypothesis / 仮設: makeshift; provisional; temporary

Short for 警察署 (keisatsusho, “police station”). / police

to address someone, to direct, to do (something to someone) / to be about to, to begin / in the middle of, to begin (not complete)

賭け: gambling, betting / 掛: credit / soba served in a hot soup

成り掛ける: to be on the verge, to be on the brink.