Matching Pairs Technology IdiomsOnline version Find out the meaning of these idioms related to technology, inventions and future. by Míriam Tomàs 1 If you say that, you mean that it’s obvious. 2 Rarely, once in a very long time. 3 To become realistic; to become alert of what is going on around one. 4 To explain something to someone in a very complicated way, in order to impress them rather than help them understand. 5 To continue to work well over a long period of time or to remain popular or respected for a long time. 6 To change your ideas or behaviour as the world or the situation changes. 7 When new ideas or products are tested on someone. 8 To do something differently, after it has been done in the same way for a long time. 9 To try to return to the past 10 Do something again, from the beginning, especially in a needless or inefficient effort. Come down to earth Once in a blue moon It doesn't take a rocket scientist Move with the times Blind someone with science To turn back the clock Stand the test of time Be somebody's guinea pig Break the mould Reinvent the wheel