Collins Cobuild This second edition is a companion to the Collins " Collins Cobuild Idioms Workbook" - clarifying key idioms with thorough practice. It deals with 100 of the most common idioms in contemporary English, providing thorough practice and explanation through carefully graded exercises. The workbook uses hundreds of examples from the Bank of English to ensure that learners meet idioms as they are really used. Units are arranged logically by meaning, allowing learners to build a comprehensive record of key idioms. This book should prove a useful tool for learners wishing to explore this difficult but fascinating area of English.