Genesis 42:23

NIV: They did not realize that Joseph could understand them, since he was using an interpreter.

NAS: They did not know, however, that Joseph understood, for there was an interpreter between them.

KJV: And they knew not that Joseph understood them; for he spake unto them by an interpreter.

GWT: They didn't know that Joseph could understand them, because he was speaking through an interpreter.

ASV: And they knew not that Joseph understood them; for there was an interpreter between them.

BBE: They were not conscious that the sense of their words was clear to Joseph, for he had been talking to them through one who had knowledge of their language.

DBY: And they did not know that Joseph understood, for the interpreter was between them.

DRB: And they knew not that Joseph understood, because he spoke to them by an interpreter.

WBS: And they knew not that Joseph understood them; for he spoke to them by an interpreter.

WEB: They didn't know that Joseph understood them; for there was an interpreter between them.

YLT: And they have not known that Joseph understandeth, for the interpreter is between them;