Mother warned us not to mess up the room.

母亲警告我们不要把房间弄得乱七八糟。

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Mother warned us not to walk on the ice since it wasn't safe.

妈妈告诫我们不要在冰上行走因为不安全。

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Mother warned us not to walk on the ice since it wasn't safe.

妈妈告诫我们不要在冰上行走因为不安全。

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