common sense

US /ˈkɑː.mən ˌsens/
UK /ˈkɑː.mən ˌsens/
"common sense" picture
1.

bom senso, senso comum

good sense and sound judgment in practical matters.

:
Use your common sense to solve the problem.
Use seu bom senso para resolver o problema.
It's just common sense to wear a helmet when cycling.
É apenas bom senso usar capacete ao andar de bicicleta.