Interlanguage fossilization in second language acquisition and its implications for foreign language teaching

In the process of second language acquisition, the phenomenon of interlanguage fossilization is inevitable. This phenomenon hinders the advancement of language learners' proficiency in a foreign language. This paper provides an in-depth analysis of the definition, characteristics, and manifestations of interlanguage fossilization, exploring its underlying causes. Based on a synthesis of previous research, it also offers corresponding insights for foreign language teaching, aiming to provide valuable references for English teaching practices.