Breakdown of Так и знал.
Questions & Answers about Так и знал.
It is an idiomatic way to say I knew it, I thought so, or I knew that would happen.
It usually expresses that something happened exactly as the speaker expected, often with a tone of frustration, resignation, or satisfaction.
For example:
- Так и знал! = I knew it!
- Так и знал, что он опоздает. = I knew he would be late.
Russian often leaves out the subject when it is clear from context.
So Так и знал literally has no explicit я, but the verb form знал already strongly suggests I in many contexts, especially in short exclamations.
The full version would be:
- Я так и знал. = I knew it.
Leaving out я sounds natural and conversational.