I'm about to tell you something important.
- Sana önemli bir şey söylemek üzereyim.
She seems to know something important.
- Önemli bir şey biliyor gibi görünüyor.
I have a feeling something good is going to happen today.
She has a certain something.
She wiped something with a cloth, wiped at the wall shelf, and put the something on it, clinking glass.