疏通 (shū tōng): to unblock; to dredge; to clear the way; to get things flowing; to facilitate; to mediate; to lobby; to explicate (a text)

The kitchen sink had been clogged for two days; today we finally called a repairman to unblock the drain.

During the morning rush hour, the traffic police stood at the intersection directing vehicles and soon cleared the congested traffic.

The doctor advised him to drink more water and walk around every day, which can help clear his bowels.

When a conflict arose between neighbors, the neighborhood committee director patiently talked with them and cleared the resentment in their hearts.

This old river channel had been silted up for years; the government sent workers to clear the mud and finally unblocked the waterway.