put two and two together
US /pʊt tuː ænd tuː təˈɡɛðər/
UK /pʊt tuː ænd tuː təˈɡɛðər/

1.
ligar os pontos, deduzir a verdade
to deduce the truth from obvious clues or information
:
•
When I saw them together, I immediately put two and two together and realized they were dating.
Quando os vi juntos, imediatamente liguei os pontos e percebi que estavam namorando.
•
She didn't tell me directly, but I could put two and two together from her hints.
Ela não me disse diretamente, mas eu pude ligar os pontos a partir das suas dicas.