YOU SAID:

But the sky's gonna hurt when it falls, so you'd better start building some walls

INTO JAPANESE

しかし、空が落ちるときは怪我をするつもりだから、いくつかの壁を作り始めるのがいい

BACK INTO ENGLISH

But when the sky falls I'm going to get hurt so it's good to start making some walls

INTO JAPANESE

しかし、空が落ちると私はけがをするので、壁を作り始めるのは良いことです

BACK INTO ENGLISH

But as the sky falls, I get injured, so it is a good thing to start making walls

INTO JAPANESE

しかし、空が落ちるとけがをするので、壁を作り始めるのは良いことです。

BACK INTO ENGLISH

However, it is good to start making walls as it will hurt as the sky falls.

INTO JAPANESE

しかし、空が落ちると傷つくので壁を作り始めるのは良いことです。

BACK INTO ENGLISH

However, it is good to start making walls as it will hurt as the sky falls.