get one's hands dirty

Verb

 * 1)  To get involved with the unpleasant parts of a task, such as manual labour or unethical activities.

Translations

 * Finnish: liata kätensä
 * French:, , ,
 * German: sich die Hände schmutzig machen,
 * Polish: brudzić sobie ręce, ubrudzić sobie ręce
 * Spanish: ensuciarse las manos, no caérsele los anillos