A good translation guarantees a good understanding of the scene.
Sometimes it is essential to change expressions to transmit the meaning to a viewer.
Making a video or a movie is an expensive process. It it expensive for the reason that in order to make a capturing scene that matches the idea of its creator, he needs to spend long man hours and implement his best skills he has learned in various fields.
The translation must keep this in mind so that a good video or film does not become a failure due to poor, not adapted translation of subtitles.
For example, if you translate the English expression “piece of cake” into other languages literally, people would not understand what you want to say.
But there are some rules how it should be done.