both hands

twin; CL:對|对[dui4]

bilateral; both sides; both parties involved

the two eyes

twofold; double

both; together (used to indicate that two people or things do the same thing simultaneously)

incomparable; matchless; unique

women's doubles (in tennis, badminton etc)

men's doubles (in tennis, badminton etc)

peerless; second to none (idiom)