YOU SAID:
These are my co-workers, Richard, and Sam.
INTO JAPANESE
彼らは私の同僚のリチャードとサムです。
BACK INTO ENGLISH
They are my colleagues Richard and Sam.
INTO JAPANESE
彼らは私の同僚のリチャードとサムです。
BACK INTO ENGLISH
They are my colleagues Richard and Sam.
You've done this before, haven't you.