I got the hang of fishing watching how my father used to do it 

They said that the situation was not clear but I got the picture almost immediately.

You got the wrong end of the stick, Andy. I've never met those people.

It's just senseless/there's no sense in saying him what's right and what's wrong. In goes in one ear and out the other. 

In the 90s there's always been a grey area between what was legally possible and what was banned in Russia in terms of doing business.

Because I saw her with you, I jumped to the conclusion that she's your girlfriend.

I couldn't put two and two together although the task wasn't really rocket science.

He's a smart guy, he can read between the lines. No need to go into detail.

Let's bring them up to speed otherwise we're not on the same page.