Xiao Qiang caught a cold, so he had to lie down for rest.

小强感冒了，只好躺在床上休息。

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Let's lie down for a rest.

咱们躺下休息一会儿。

《新英汉大辞典》

I can lie down with as much ease, and rest for the night within range of the enemy's guns, knowing that at dawn we may meet face to face, as I could at home upon my bed.

我能安心的一晚上都躺在敌人的射程范围内，心里明知天明大家就白刃相见了，还是跟在自家床上一样呼呼大睡。

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