Translation of "Really powerful" in Japanese

These pedicellariae will grab your skin and inject this really powerful venom.

この叉棘が肌に食いつき 強力な毒を注入する

And it makes it really powerful to know that somebody else has told.

他の誰かが語るからこそ 力強いものになるんです

- The supervisor bought a really fast machine.
- The supervisor bought a really powerful machine.

部長が、すごいハイスペック・マシン買ったそうよ。