Meaning
Each to his own / Mind your own business
Example
Francisco que é pintor vive dando palpite sobre a instalação elétrica. Cada macaco no seu galho.
Francisco, who is a painter, always gives advice on electrical work. Each to his own.
Origin
A Brazilian folk saying: monkeys stay on their own branches and don't interfere with others. The phrase is widely used to tell someone to stay in their lane.
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More idioms
Acertar na moscaTo guess correctly / To hit the nail on the headAmigo da onçaA fake/false friendAndar na linhaTo toe the line / To behave properlyArmar um barracoTo cause a public sceneRodar a baianaTo cause a public scene / To go ballisticArrumar sarna pra se coçarTo ask for troubleArrastar as asasTo hit on someone / To flirtAbrir o jogoTo come clean / To open upArregaçar as mangasTo roll up one's sleeves / To get to workAgarrar com unhas e dentesTo hold on for dear life / To seize an opportunity