3. Match the idioms to their definitions. 1) a silver surfer
a) ready to use
2) blow a fuse
b) to react to a situation with fear and confusion
3) get/have our wires crossed c) a person aged over 50 who uses the Internet
4) not rocket science
d) to get angry/to lose your temper
5) on the same wavelength e) to think similarly or to have the same ideas and opinions
6) re-invent the wheel
f) something is easy to understand or do
7) up and running
g) to waste time doing something that has already been done correctly
8) hit the panic button h) to misunderstand someone
