翻译英文：如果需要拍照，请关闭闪光灯

Question

或者翻译：拍照时请关闭闪光灯
还有一个是：上课时请将手机设为静音

Answer 1

如果需要拍照，请关闭闪光灯
Should you need to take photos, please turn off the flashlight.

拍照时请关闭闪光灯
Please turn off the flashlight when taking photos.

上课时请将手机设为静音
Please set your mobile phones mute（或silient）in class.追问

上课时请将手机设为静音 怎么翻译比较客气一点

追答

Could you please cooperate to set your mobile phones mute（或silient）in class?
你们能配合上课时将手机设为静音？

Answer 2

please turn off the flash lamp,while taking a picture.拍照时请关闭闪光灯

please set the mobile mute in class.上课时请将手机设为静音

Answer 3

如果作为标语，表达应越简洁越好，如：
No Flash while Photoing.
如果要完整的句子，就很多表达了，如：
Please keep your flash lamps off while taking photos.

Answer 4

pls turn off your flash light when you take photo/shooting
pls swith your phone to slience during class

Answer 5

Pls. turn off the flash when you take pictures.