Don't hold it in
No contengas. (feelings etc.)
RIght on? Gracias.
4 Answers
It needs to be reflexive. No te contengas
You could also say this:
No te encierres los sentimientos = Don't keep your feelings locked up inside.
No te escondas los sentimientos = Don't hide your feelings.
No te lo guardes. (Sácalo)
I agree, it should be no te guardes tus sentimientos. But, if you mean speak up, then we commonly say no te muerdas la lengua, which means don't bite your tongue (hold it in).
No te lo guardes por dentro.