on the wrong scent ---- 沿着错误的方向（成语）

英文释义

(IDIOM) On a false, misleading trail while searching for something or someone. (NOTE: derived from the practice of using dogs for hunting)

例句

The clever thief evaded capture by putting the police on the wrong scent.

这名聪明的窃贼使警方去追查错误的线索，从而逃避了抓捕。