What is the meaning of the English expression…
SOMETHING SMELLS FISHY?
If something is FISHY, or smells fishy, it causes suspicion.
Fish has a strong smell, and it cannot easily be hidden.
If you think someone is trying to hide something (usually something that is wrong), and you suspect it, then you suspect something FISHY.
1. Normally, he never gives her nice gifts and then last week, out of the blue, he gave her a very expensive necklace. There’s something FISHY going on. I think he has another girlfriend.
2. The owner of our company and our manager have been having a lot of private meetings lately. Something smells FISHY around here. I hope nothing bad is going to happen.
This is often used as follows: There is something fishy going on.