YOU SAID:
With the lights off, it's less dangerous.
INTO JAPANESE
ライトを消すと、それほど危険ではありません。
BACK INTO ENGLISH
Turning off the light is not so dangerous.
INTO JAPANESE
光を消すことはあまり危険ではない。
BACK INTO ENGLISH
It is not too dangerous to turn off the light.
INTO JAPANESE
光を消すことはそれほど危険ではありません。
BACK INTO ENGLISH
It is not too dangerous to turn off the light.
That didn't even make that much sense in English.