Matching Pairs Idiomatic expresionsOnline version Vocabulary and idiomatic expressions - October 14 by Juan Pablo Vega Lopez 1 ‘Once in a blue moon 2 When pigs fly 3 Fatiguing 4 Wholesome 5 endeavored 6 ‘The best of both worlds’ 7 swarms 8 Speak of the devi 9 tenure 10 See eye to eye making you feel tired means you can enjoy two different opportunities at the same time. a large group of insects all moving together good for you, and likely to improve your life either physically, morally, or emotionally being the legal owner of land, a job, or an official public position, or the period of time during which you own it this means agreeing with someone. to try to do something this means that the person you’re just talking about actually appears at that moment. an event that happens infrequently. something that will never happen.