catch the drift

catch the drift AND get the drift (understand what someone is trying to say; understand the general meaning or purport) — уловить смысл; понимать, что кто-л. имеет в виду, к чему клонит
Also
catch / get sb's drift

(You) catch my drift? AND (You) get my drift? (= Do you understand what I'm really saying?) — Улавливаешь? Понимаешь, о чем я?

Example 1: I think Bob and Liza are more than just friends.Catch my drift?

Example 2: Well, I'm a little bit what you'd call uncomfortable around these folks. It's all that money, if you catch my drift.