Up
To start a phone call
Call up
To leave something or someone somewhere
Drop off
To return a call
Call back
To make something work, normally by pressing a button
Turn on
To research something
Look up
To end a phone call
Hang up
When you stop something from working, normally by pressing something
Turn off
To think about something that happened in the past
Look back
To wait for a short time
Hang on
To enter a building without permission
Break in
To collect someone or something
Pick up
If something becomes successful or when something leaves the ground
Take off
To return an object to where it was before you took it
Put back
To criticise or be unkind to someone
Pick on
To install something or add something
Put in
When you create a proposal or plan
Draw up
To avoid doing something
Put off
To return in the direction that you came from
Turn back
To begin something, like a project
Take on
To leave a building without permission
Break out
When you lose signal on a phone call
Break up
To decide that something will no longer happen
Call off
To move away from someone or something, normally because you are surprised or frightened
Draw back
To ask someone to do something
To examine something quickly