YOU SAID:

a bird in the hand is two birds in a bush

INTO JAPANESE

手の中の鳥は茂みの中の2羽の鳥です

BACK INTO ENGLISH

The bird in the hand is two birds in the bushes

INTO JAPANESE

手の中の鳥は茂みの中の二羽の鳥

BACK INTO ENGLISH

The bird in the hand is two birds in the bushes