1. Sight translation: You are given a passage in English, you look at it and translate it orally into Chinese at the same time.
2. Listening translation: listen and translate at the same time. That is what we usually call "simultaneous translation".
3. Impromptu interpretation: someone else speaks a paragraph, stops, you translate, and then he continues speaking. In this way, one sentence is translated and the other is translated.
The order of difficulty from low to high is: sight translation, impromptu interpretation, and listening translation.
Extended information
Translation includes oral interpretation, written translation, machine translation, simultaneous interpretation, film and television dubbing, website Chineseization, book translation and other forms. With the development of IT technology and communication technology and mature, and finally "telephone translation" with real-person service was born, so there are more and more forms and the service becomes more and more convenient. In terms of the material form of translation, it manifests itself as a selected combination of various symbol systems, which can be divided into four categories. According to the translation medium, manual translation is divided into oral translation, written translation, sight translation, simultaneous interpretation, etc.
Reference material: Baidu Encyclopedia - Translation