| In fact the paintwork was so perfect, with not a single scratch despite being four years old, that we started to smell a rat. |
| Surely anybody who is interested in Canadian culture can smell a rat here. |
| Mr. Gresham, when he heard this, thought that he began to smell a rat, and was determined to be on his guard. |
| They failed to smell a rat despite Baron Cohen's absurd questions. |
| I only mention it in case you think you smell a rat, but I promise I have nothing to gain by singing its praises. |
| Residents of Hopgrove were sent letters informing them their wheelie bins would arrive at the beginning of April but, when none turned up, they began to smell a rat. |
