千斤重担 qiānjīnzhòngdàn a heavy burden Origin Definitions Defs Strokes Stroke Words Sentences Sents 千斤 qiānjīn one thousand catties One thousand catties, a unit of weight; used to describe something extremely heavy or a weighty responsibility重担 重擔 zhòngdàn noun heavy burden heavy load; difficult task or a great responsibility