count on
depend on
To depend on; rely on; trust someone in time of need.
Зависеть от кого-либо; расчитывать на кого-либо.
The team was counting on Joe to win the race.
I'll do it; you know you can count on me.
The company was counting on Brown's making the right decision.
"If you need help, you can count on me."
"Если тебе нужна помощь, ты можешь рассчитывать на меня."
I can count on my parents to help me in an emergency.
Don't depend on Frank to lend you any money; he doesn't have any.
count one's chickens before they're hatched
To depend on getting a profit or gain before you have it; make plans that suppose something will happen; be too sure that something will happen. Usually used in negative sentences.
When Jim said that he would be made captain of the team, John told him not to count his chickens before they were hatched.
Maybe some of your customers won't pay, and then where will you be? Don't count your chickens before they're hatched.