CLIX: Cross-Lingual Explanations of Idiomatic Expressions
This addresses a specific barrier in educational tools for language learners, but it is incremental as it builds on existing NLP models and tasks.
The paper tackled the problem of language learners struggling with automated definition generation due to unfamiliar words and grammar, particularly for idiomatic expressions, by proposing the CLIX task for cross-lingual explanations and found that large language models show promise but the task remains challenging.
Automated definition generation systems have been proposed to support vocabulary expansion for language learners. The main barrier to the success of these systems is that learners often struggle to understand definitions due to the presence of potentially unfamiliar words and grammar, particularly when non-standard language is involved. To address these challenges, we propose CLIX, the task of Cross-Lingual explanations of Idiomatic eXpressions. We explore the capabilities of current NLP models for this task, and observe that while it remains challenging, large language models show promise. Finally, we perform a detailed error analysis to highlight the key challenges that need to be addressed before we can reliably incorporate these systems into educational tools.