Extend an olive branch

Explanation of the idiom “Extend an olive branch “. A huge amount of spoken and written English is made up of idioms, slang, and expressions. Not knowing these will make English impossible to understand. Most native speakers of English do not even realize they are using idioms when they speak. They do not know how to simplify their English in order to be understood. So it is the situation that a learner that has been studying for years, with a high score on the TOEIC, or TOEFL can get totally lost lis