The phrase "sit one's hands" is often used to describe a lack of action or engagement in a particular situation. Some antonyms for this phrase include, "take action," "get involved," "step up," "participate," and "engage." These words suggest a proactive approach to problem solving, rather than passive inaction. Other antonyms include "proactive," "forward-thinking," "enterprising," "resourceful," and "responsive." These words communicate a sense of eagerness and readiness to tackle challenges. By using these antonyms, people can encourage a culture of action and participation, rather than one of apathy and inactivity.