水很快就会流掉.The water will soon drain away [ off ].我们不能让这水白白流掉.We mustn't let the water run to waste.把水关上, 别让它白白流掉.Turn the water off. Don't let it waste....

“流掉”的英语可以翻译为：drain，run off ...

“流掉”的拼音为：liú diào...