YOU SAID:

"that'll be it til i can kill man" cashier said

INTO JAPANESE

「それは私が人を殺すことができる限りそれだろう」レジ係は言った

BACK INTO ENGLISH

"It will be as long as I can kill people," said the cashier

INTO JAPANESE

「それは私が人を殺すことができるのと同じくらい長くなるだろう」とレジ係が言った

BACK INTO ENGLISH

"It will be as long as I can kill people," said the cashier