rinse, gargle, rinses the mouth, rinsing the mouth
Mnemonic
[shu-] Sherlock Holmes is in the [4] bathroom of the [-_] house, holding a 束 bundle of 欠 bills in his mouth. He puts them down, and concerned about the germs, 漱 rinses the mouth with some mouthwash while staring in the bathroom mirror in front of the sink. When done 漱 rinsing the mouth, he 氵 sprays the mouthwash all over the sink.