闸zháTop 20000Meanings1. sluice2. lock (on waterway)3. sluice; sluice gate4. to dam up water5. (coll.) brake6. (coll.) electric switchCharacters used闸sluiceExamples1愚蠢yúchǔn骑qí着zhe没有méiyǒu闸zhá的de单车dānchē。Stupidity is riding a bike that doesn't have brakes.