Translation of "쇠사슬이" in English

쇠사슬이 버텨줬네요 자

Well, that held. Okay.

쇠사슬이 잘 버텨야 할 텐데

This thing better hold me.

어떻게 고정돼 있는지 모릅니다! 쇠사슬이 떨어질 수도 있어요

Not sure what it's anchored to at the top! There is a chance it might not hold.