... During the process of investigating materials from various sources, the forms, characteristics and meanings of idioms and their variants and synonyms in English and Vietnamese are described and ... Teaching and Applied Linguistics, 1992) - “An idiom is a fixed group of words which is firm in terms of structure, complete and figurative in terms of meaning, and is widely used in daily speaking” ... example, distinguishes the following groups of idioms: - informational (conveying information of different kind: in the red, rub shoulders with, one’s kith and kin)- evaluative (giving the speaker’s...