Usages of duō
他 生病 了， 大家 别 让 他 出去， 让 他 多 休息。tā shēngbìng le, dàjiā bié ràng tā chūqù, ràng tā duō xiūxi.
He is sick; everyone, don't let him go out; let him rest more.
你 多 喝 水 吧。nǐ duō hē shuǐ ba.
Drink more water.
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