count against somebody / something: to make someone or something more likely to fail
She's got the qualifications for the job, but her lack of experience will count against her.
count somebody in: to be confident that you can depend on someone
If you're going for a pizza, you can count me in.
count on somebody: to be confident that you can depend on someone
I can always count on my parents to help me.
count on something: to expect something to happen and make plans based on it
I didn't count on so many people coming to the party.
count something out: to count coins or pieces of paper money one by one as you put them
She counted out five crisp $20 bills.
count somebody out: to not include someone in an activity
If you're going for a pizza, you can count me out.
count towards something: to be part of what is needed to complete something or achieve something
This essay counts towards my exam result.
count up somebody / something: to add together all the people or things in a group
Please count up all these booksand tell me how many there are.