双

(a person of) unrivaled physical strength

Yojijukugo

distinguished person

Mahjong

thirteen orphans; winning hand containing one of each terminal and honor tile plus one extra copy of any of them

unparalleled in history

fraternal twins

pair (esp. of folding screens)

granulated sugar; brown sugar

Japanese sardinella (Sardinella zunasi)

Architecture

(openable) panel in a door

ban-sugoroku; traditional Japanese board game similar to backgammon

being unsurpassed (unparalleled) at present

conjoined twins

Proverb

genius shows from childhood; the Japanese bead tree is fragrant from when a sprout

of peerless loyalty and bravery

dipterocarp (any plant of genus Dipterocarpus)

unparalleled in the whole country

Siamese twins

both labor and management; both the workers and the employers

Sumo

inner-thigh-propping twist down

Martial arts

Muso Jikiden Eishin-ryu (iaido style)

(a woman of) unparalleled beauty; (a woman's beauty being) matchless throughout the land

Sumo

deep double underarm grip which prevents the opponent from grabbing the belt

Sumo

outer-thigh-propping twist down

making a piece of clothing with the same cloth inside and out; making a kimono with lining of the same fabric

Mathematics

self dual