Examples of using "рассердишься" in a sentence and their english translations:
- I thought you'd be angry.
- I thought that you'd be angry.
- Just promise me you won't get angry.
- Just promise me that you won't get angry.
Promise you won't get mad.
I knew you'd be mad at me.
Promise me you won't get mad if I tell you.
I didn't think you'd be so angry.