This is the 6970th most frequent Chinese word.
猫腻
Hidden trick; shady secret.
In this sentence, '猫腻' refers to 'something suspicious or fishy', indicating that there may be undisclosed or fraudulent information involved.
这件事真的有猫腻，我建议你再调查一下。
There's indeed something fishy about this matter; I suggest you investigate further.
Here, '猫腻' is used to describe a situation or behavior that seems not entirely truthful or transparent, prompting skepticism.
她那天的解释很有猫腻，我感到怀疑。
Her explanation that day seemed quite dubious, so I felt suspicious.
The term '猫腻' here refers to hidden deception or foul play, often in the context of documentation or agreements that might contain unfair terms or conditions.