idiomaticity

n.

习语（或成语）性，（某一语言的）表达习惯；

Idiomaticity
Idiomaticity
Idiomaticity and the non-native speaker
Idiomaticity as an Anomaly in the Chomskyan Paradigm
Idiomaticity as an indicator of second language proficiency
Regularity and Idiomaticity in Grammatical Constructions: The Case of Let Alone
Learning idiomaticity : a corpus-based study of idiomatic expressions in learners' written production
Exploring second language learners' notions of idiomaticity ☆
Psycholinguistic studies on the conceptual basis of idiomaticity
Bilingualism Across the Lifespan: Idiomaticity as an indicator of second language proficiency