YOU SAID:

the birds were singing as if it were their last chance

INTO JAPANESE

それは彼らの最後のチャンスであるかのように鳥が歌っていた

BACK INTO ENGLISH

The bird was singing as if it were their last chance

INTO JAPANESE

それは彼らの最後のチャンスであるかのように鳥が歌っていた

BACK INTO ENGLISH

The bird was singing as if it were their last chance