YOU SAID:

Cold as you turn off the lights

INTO JAPANESE

ライトを消すと寒い

BACK INTO ENGLISH

It is cold when you turn off the lights

INTO JAPANESE

ライトを消すと寒いです

BACK INTO ENGLISH

Turning off the light is cold.

INTO JAPANESE

ライトをオフにする

BACK INTO ENGLISH

Turning off the light.

INTO JAPANESE

ライトをオフにする

BACK INTO ENGLISH

Turning off the light.