刷牙的时候关上水龙头。

Turn off the water while brushing your teeth.

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在刷牙和刷碗的时候，关上水龙头。

Turn off the tap while brushing your teeth and washing the dishes.

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剃须或刷牙的时候请关上水龙头。

Turn the faucet off when shaving or brushing your teeth.

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剃须或刷牙的时候请关上水龙头。

Turn the faucet off when shaving or brushing your teeth.

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