“smell a rat”可以造什么句，smell a rat造句

The repeat patterns in the smoke made lots of people smell a rat and it turned out that Hajj had even copied some of the buildings.

Didn’t you smell a rat when they agreed to sell you the goods at such a price?

The scientist started to smell a rat when the visitor, who claimed to be a tourist, began to ask some very specific questions about the research work he was engaged in.