is that so? (generally rhetorical)
abdomen; belly; womb; one's mind; one's real intentions; courage; nerve
to decrease (in size or number); to diminish; to abate
today; this day; these days; recently; nowadays
sushi; anything made with vinegared rice (may also contain vegetables, spices, fish, or other delicacies)
material (for a story, article, etc.); information; joke; jest; proof; evidence; (magician's) trick
skillful; skilful; delicious; appetizing; fortunate; splendid
thanks; gratitude; manners; etiquette; bow; reward
to be in a hurry; to be impatient; to be anxious (to do); to get a fright; to panic; to get flustered
grace (of God); benevolence (of Buddha); assistance; help; effects; influence
(not) at all; (not) a bit; (not) in the least; (not) in the slightest
to change; to be transformed; to move to; to be different; to be uncommon
he; she; that person; (arch.) you
to that extent; to that degree; so much; so
frightening; scary; (arch.) extreme; (arch.) exaggerated; (arch.) huge
government service; the bureaucracy
prime minister; chancellor (Germany, Austria, etc.); premier
now that you mention it; come to think of it; that reminds me; on that subject; speaking of which
particle indicating that the speaker is trying to recall some information