Taking photos without permission is illegal.

偷拍是违法的行为。

You may not enter this room without permission.

你不可以未经许可进入这个房间。

Without permission, you cannot enter this room.

没有权限，你不能进入这个房间。

This area is no entry; do not enter without permission.

这个区域是禁止进入的，未经许可不得入内。

You cannot use copyrighted material without permission.

你不能未经许可使用受版权保护的材料。

The book was taken from the library without permission.

这本书在未经允许的情况下被拿走了。

You should not take photos without permission of others.

你不应该偷拍别人。

Entering private property without permission is illegal.

进入私人财产而未经许可是不合法的。

They pried into his financial records without permission.

他们未经允许窥探了他的财务记录。

She noticed someone taking photos without permission of her.

她发现有人在偷拍她。