O-back; skirt with peek-a-boo hole in rump
off-topic (on an online thread)
flamberge; sword with undulations in the blade
human sensor; motion detector
more than usual; especially; particularly
before one knows it; without realizing; unawares; unnoticed
at once; there and then; immediately
one of these days; someday; one day
play facility; fairground attraction; playground facility; amusement facility
swim ring; swimming ring; life buoy; life belt; life preserver; lifesaver
skillful handling of a kitchen knife
to abuse; to exploit to the full; to give free rein to
unusual; unwonted; uncharacteristic
baseline design; preliminary design; basic design
to wear away; to rub down; to abrade
childish; child-like; immature; infantile
no matter how much time passes
takoyaki; octopus dumplings
unexpected; contrary to expectations; by chance; casual
the bounds of reason; the limits of (common) sense
arrogant; impudent; haughty; boastful
overflowing with charm; full of smiles
totally unexpected result; stunning upset
long night (esp. of autumn)
white vegetables or fish simmered without soy sauce