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1·It's dangerous to skate on thin ice.

在薄冰上滑冰很危险。

2·Please tell them not to skate on thin ice.

请告诉他们不要在薄冰上滑冰。

3·The ice there is too thin to skate on.

那里的冰太薄不能滑。

4·Don't skate on the thin ice.

不要在薄的冰面上滑冰。

5·I warned him not to skate on such thin ice.

我警告过他别在这么薄的冰上滑冰。

6·The ice is too thin to skate on.

这冰太薄，不能在上面滑。

7·The ice is too thin to skate on.

冰太薄，不能在上面溜冰。

8·The old man warned the children not to skate on such thin ice.

那位老人告诫那些孩子不要在这么薄的冰上溜冰。

9·Clerk: Never go to the center of the lake. The ice there is too thin to skate on.

工作人员：绝对不可以走到湖的中央。那里的冰太薄不能滑。

10·We warned them not to skate on such thin ice.

我们警告他们不要在这么薄的冰上滑冰。