to say something embarrassing or inappropriate
恥ずかしいまたは不適切なことを言う (hazukashii mata wa futekisetsu na koto wo iu)
"He really put his foot in his mouth when he mentioned her ex-boyfriend."
"彼は彼女の元彼について言及したとき、本当に口を滑らせてしまった。" (kare wa kanojo no moto kare ni tsuite genkyu shita toki, hontoni kuchi wo suberasete shimatta)
to finish preparations or close something securely
to support your words with actions or financial commitment
affecting everyone or everything equally
to understand something fully
to analyze and solve a problem carefully; borrowed from prog...
unable to think clearly; mentally exhausted