Do you need to turn off the lights

关灯───Turn off the lights;需要───need

We should never forget to turn off the lights when we leave the classrooms.───离开教室时，我们永远不要忘记关灯。

you turn off the lights and check the locks on all the doors?───你关了灯，检查了所有门的锁了吗？

Please turn off the lights.───请关灯。

After a while, I'd just ask Bill to turn off the lights and lock up when he was through.───过了一段时间，我索性让比尔侍弄完车之后替我关灯锁门。

Turn off the lights, take a flashlight, and guide the glow to areas of your body that you want him to lick or rub.───关掉灯，拿上一个手电筒，并把光线打到你想让他舔舐或揉搓的身体部位。

We've received reports that this recipe failed. We recommend that you turn off the lights and leave the kitchen immediately.───不过我们最近得到报告说这个配方失败了。我们推荐你马上关灯离开厨房。

Since we were all in our PJ's, might as well just turn off the lights and party in the darkness.

Oh, and don't forget to turn off the lights on your way out.

Turn off the lights when you leave.

Lock the doors and turn off the lights last thing at night.