to feel sorry or regretful about something
何かに対して後悔または残念に思う (nanika ni taishite kōkai mata wa zannen ni omou)
"I really feel bad about what happened."
"起こったことについて本当に悪い気がする。" (Okotta koto ni tsuite hontō ni warui ki ga suru.)
to become extinct gradually; to disappear slowly
to become popular or widely accepted
to accompany someone closely, often to observe or learn
to identify or highlight problems or mistakes
to eliminate unnecessary waste completely
to fully enjoy and appreciate a happy situation
