The use of juvenile terms may have an impact on the seriousness of translation to a certain extent. Seriousness is an important consideration in translation work. It requires the translation to be accurate, objective, formal, and in line with the style and purpose of a particular text. Youth language is often casual, colloquial, personalized, and even bears the imprint of some online popular culture, which is very different from formal and standardized language expression. When juvenile terms are overused in translation, it may cause the translation to deviate from the solemn, professional or formal style of the original text, making it difficult for readers to associate it with serious topics or occasions, thereby weakening the translation's ability to convey accurate information and maintain the authority of the text. However, this is not absolute. In certain specific situations, such as the translation of content related to youth groups, popular culture works, etc., the proper integration of some suitable youth terms can better retain the charm and cultural characteristics of the original text, and make the translation closer to the target audience and the style of the original text. At this time, the impact on seriousness may be small and it is a kind ofReasonable language processing. However, in general, it is necessary to carefully weigh the impact of the use of youth language on the seriousness of translation, and properly grasp it according to specific circumstances.