3K

Japanese Etymology 1 Kitsui (きつい difficult, demanding), kitanai (汚い dirty) and kiken (危険 dangerous). Noun さんけい ja slang さんけい 3D jobs Etymology 2 Kitsui (きつい difficult, hard), kaerenai (negative potential of ja 帰る come home), kyuryō ga yasui (ja 給料 salary ja が ja 安い low) Noun さんけい ja slang さんけい a job that is hard, has long hours, and doesn't pay well