The article presents the experience of understanding the translation principles of the Kazakh multilingual writer and translator G.K Belger. His knowledge of the German, Kazakh and Russian languages determined his special creative, practical and research translation experience. The hypostasis of Belger as translator-practice, translator-researcher is not sufficiently exposed to scientific reflection in Kazakh and Russian translation studies. His rich practice of translation and critical understanding of his colleagues' translations from Kazakh into Russian and German allowed G.K. Belger crystallized translation principles and theoretical conclusions, which are valuable for the further development of a particular theory of translation from Kazakh into Russian and German, as well as for a special theory of translation - translation of fiction. The article is accompanied by quotations by G.K. Belger in order to provide the readers themselves with some of the important conclusions of the translator and critic, and not with the translations and interpretations of the authors of the article. His rich practice of translation and critical understanding of his colleagues' translations from Kazakh into Russian and German allowed G.K. Belger crystallized translation principles and theoretical conclusions, which are valuable for the further development of a particular theory of translation from Kazakh into Russian and German, as well as for a special theory of translation - translation of fiction. The article is accompanied by quotations by G.K. Belger in order to provide the readers themselves with some of the important conclusions of the translator and critic, and not with the translations and interpretations of the authors of the article. Another reason for the sufficient number of citations is related to the fact that the books of G.K. Belger has little access to the Russian translation researcher.