水すい道どう代だいすいどうだいMeanings1nounwater bill; water chargeRefers to the cost of water usage, typically billed by a water utility.今こん月げつの水すい道どう代だいが高たかかった。This month's water bill was high.水すい道どう代だいは口こう座ざ振ふり替かえで支し払はらっています。I pay the water bill by automatic bank transfer.