The translation mistakes bother me more in certain applications, such as in books like stories or poems. Such mistakes can throw a storyline off, using the wrong translation for clichés & quotes.
My other, even bigger peeve, are the incomprehensible instructions or directions for a product or service maunal purchased. Many electronics sold in the USA are now manufactured everywhere but the USA. Like in Blaveloper's case, the instructions are comical are in some cases in no way helpful.
I purchased a rear view camera for a vehicle recently. One side of a sheet of paper c