Yeah, in Rosa's experience, Radchaai didn't do very well with hints.

"Don't," Rosa barked, no hinting in that tone at all, "touch that."

Even if it was just the ball, it would start with the ball, and then she'd have gloved hands all up in her gun parts. Just to safe, she reached out to take the ball before the Translator could.

"And I use them to shoot bad guys. Obviously."