That's why I was absent from school yesterday.
- Dlatego nie było mnie wczoraj w szkole.
I guess that's why I love you.
- Myślę, że to dlatego cię kocham.
I think this is why we have a homeless problem in this city.
- Myślę, że to dlatego mamy w naszym mieście problem z bezdomnymi.
This is why Tom is in trouble.
- To dlatego Tom ma kłopoty.
That is why I am angry with him.
- Dlatego jestem zły na niego.
That is why he got angry.
- Dlatego się zezłościł.