unit 8 idioms

the latest and most advanced___

• with a cutting edge

• on the cutting edge

• on the sharpest edge

• the sharpest tool

be popular for a long time

• sit the test of time

• stand the test of time

• take the test of time

stop something from continuing

• have a light-bulb moment

• have a short fuse

• pull the plug on ...

• run out of steam

When you get your wires crossed, you ___.

• get angry or upset

• lose energy or interest

• suddenly have a good idea

• are mistaken about what someone means

This is not exactly rocket science.

• not difficult to understand

• not a good idea

• not enough energy

• not very bright