一隻手臂

一隻 yiˋ zhiˉ

(A, An, One) One, A (e.g. a hand), An (e.g. an animal), A (e.g. a beast or creature)

一隻手 yiˋ zhiˉ shouˇ

(Hand, One hand) One hand, A hand

手臂 shouˇ biˋ

(Arm, Arms) Arm, Arms