Usages of huídào
她 总是 按时 回到 宿舍 睡觉， 身体 一直 很 健康。Tā zǒngshì ànshí huídào sùshè shuìjiào, shēntǐ yìzhí hěn jiànkāng.
She always returns to the dorm on time to sleep, and her health has always been very good.
我们 应该 按时 回到 宿舍。wǒmen yīnggāi ànshí huídào sùshè.
We should return to the dorm on time.
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