during imprisonment; while in jail
① 牢獄の門。② 斬首された罪人の生首を、見せしめのために晒す刑罰。元来、首を晒す場所を牢獄の門の前としていたことから付いた名称。
low-ranking prison guard; hell's tormenting devils
roundup; wholesale arrest
① 監獄に収容されている間に、何らかの事情（拷問、病気、自殺など）によって死ぬこと。
trying of a crime; conviction; condemnation to death by beheading
bribery scandal; graft case
imprisonment; incarceration
prison regulations; prison rules
wicked; evil; wastrel; scoundrel; organized crime; yakuza
loan shark hell; distress caused by high-interest loans and aggressive collection methods