In kind, Robin summoned his rudimentary Japanese.

"Wakarimasen. Um." He shot a look at Wally, who was amused in spite of himself. Dick keyed up a Japanese dictionary. "Anata o koroshimasen. If that's a concern. Anata ga shi... um, shinanai."

To Wally, he shook his head ruefully. "Side effect of spending half my childhood in Europe. Asian languages are just that teensy bit harder to wrap my brain around. Uh. Trying to hammer this point home. Watashi-tachi koroshitakunai. We do not want to kill you."