have a go
US /hæv ə ɡoʊ/
UK /hæv ə ɡoʊ/

1.
to try to do something
:
•
I'm not sure if I can fix it, but I'll have a go.
•
Why don't you have a go at painting?
2.
to criticize or attack someone
:
•
The politician always has a go at his opponents during debates.
•
Don't have a go at me, it wasn't my fault!