YOU SAID:

they stab it with their steely knives, but they just can't kill the beast

INTO JAPANESE

彼らは彼らのスチールナイフでそれを刺すが、彼らは獣を殺すことはできない

BACK INTO ENGLISH

They stab it with their steel knife, but they can not kill beasts

INTO JAPANESE

彼らはスチールナイフで刺すが、獣を殺すことはできない

BACK INTO ENGLISH

They stab with a steel knife, but can not kill beasts

INTO JAPANESE

彼らはスチールナイフで刺すが、獣を殺すことはできない

BACK INTO ENGLISH

They stab with a steel knife, but can not kill beasts