To pay the bill for something.
Pagar la cuenta de algo. (pagar la cuenta de algo)
"John offered to pick up the tab for everyone."
"John ofreció pagar la cuenta por todos." (jon ofrecio pagar la cuenta por todos)
to change direction or strategy quickly
to stop dealing with or thinking about something
an older person trying to look younger
to aim for something very ambitious
to reveal someone's secret identity or hidden purpose
to accuse or blame someone