Answer:
Hi! The answer is,
Chicken Out- Not doing a certain task, that you may be fretful of.
Mess Up- To not do something correctly.
Stamp Out- To end something.
Play Down- Making something big, seem like something small.
Write Off- A reduction of the recognition value of something.
Drum Up- Trying to get support or business.
Blow Up- The explosion of a certain thing.
Hope this helped!