get your hands dirty
US /ɡɛt jʊər hændz ˈdɜr.ti/
UK /ɡɛt jʊər hændz ˈdɜr.ti/
1.
to do physical work, especially work that is unpleasant or involves getting dirty
:
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He's not afraid to get his hands dirty and help with the gardening.
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The CEO often comes to the factory floor to get his hands dirty with the workers.
2.
to become involved in something dishonest or illegal
:
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He refused to get his hands dirty by participating in the corrupt scheme.
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Politicians often try to avoid getting their hands dirty with controversial issues.