YOU SAID:
He doesn't care if it's ten below He's just sittin' by the fire's cozy glow
INTO JAPANESE
彼はそれが10以下かどうかは気にしません
BACK INTO ENGLISH
He doesn't care if it is less than 10
INTO JAPANESE
彼はそれが10未満であるかどうかは気にしません
BACK INTO ENGLISH
He doesn't care if it is less than 10
You've done this before, haven't you.