Zoom in
Go closer with the camera. e.g You need to zoom in so you can see the birds in the background.
Go with
Look good together or seems to work well together. E.g this tie goes really well with your suit!
Cut down
Reduce the amount. E.g The doctor said I need to cut down on sugar because it's bad for my health.
Devote to
Spend more time or money on something. E.g I need to devote to my studies or I am going to fail.
Get at
Mean E.g I didn't understand what the teacher was getting at.
Go about
How you do something. E.g How do you go about this maths exercise?