On
Start something by moving a switch
Turn on/ switch on
To stop an instrument by moving a switch
Turn off/Switch off
Register somewhere
Sign up
Turn off the computer
Shut down
Make a paper copy
Print out
Wait for a short time
Hang on
Pay back the whole amount
Pay off
Make somebody more relaxed
Loosen up
Stop being nervous, to relax
calm down
Withdraw money from a cash machine
Take out/pull out
Trust somebody to do something
Count on / rely on
Get rid of a damaged car
Write off
End a phone call
Hang up
Stop working (for a system)
Go down/ break down
Find a solution to a problem
Sort out/ figure out
Accept (more work)
Take on
Cancel (a meeting)
call off
Connect to a power supply
Hook up
Reject, not accept
Complete a task (survey, experiment, test)
Carry out
Use experience or knowledge that you have gained over time
Draw on
Interrupt somebody
cut off
Pay more money so that you can make more phone calls
Top up
Reduce (workforce, benefits, calorie intake)
Cut down
Give some money (reluctantly)
Fork out