Hola Nicole
Dictations don't come with a translation I'm afraid. But if you want to know what a specific word, phrase or sentence means, please let us know through the forum.
"Luego puedo ir a la tienda para ver cómo me sienta." means "Later I can go to the shop to see how it fits me/ how it looks on me/ if I look nice."
I imagine your doubt may be on "cómo me sienta". We use verb "sentar" when we talk about clothes. We generally say "me sienta bien" (it fits me nicely/ it looks good on me) or the oppossite "me sienta mal" (it doesn't look good on me).
For example:
a - ¿Cómo me sienta este vestido?
b- Te sienta muy bien.
Hope this helps
Saludos
Inma