thin ice

But I'll come off the thin ice, and you shall have nothing but facts now.

"I'm showing ye how an old woman walks on thin ice," said Martha.

At 50 you are walking on thin ice; look out, danger is near.

Mr. Baker ventured out upon the thin ice of cross-examination.

But the day was so cold, there was little danger from thin ice.

One morning the party came to a stream covered with thin ice.

The foolish animals, trying to cross the thin ice, broke through.

A farmer who came into the train told us there was thin ice on the ponds.

In the matter of libel, they are adepts at skating on thin ice.

In fact, I began to feel almost as though I was getting on thin ice.