to say something embarrassing or inappropriate
恥ずかしいことや不適切なことを言う (hazukashii koto ya futekisetsu na koto wo iu)
"He really put his foot in his mouth when he mentioned her age."
"彼は彼女の年齢に触れたとき、本当に口を滑らせた。" (kare wa kanojo no nenrei ni fureta toki, hontou ni kuchi wo suberaseta)
to organize things properly before taking action
to keep possession of something
to trust that what someone says is true
to send someone a short message or note
to promise solemnly, often in a formal way
a family member who is considered a disgrace