amargar

No quiero que te amargues nunca.	I don't want you to worry either.
Podrás terminar el colegio cuando quieras, y un viaje ahora te repondrá y renovará, evitará que te amargues en casa.	You will always be able to graduate and a trip now will freshen you up, enliven you, and get you away from moping at home.
Maestre Ramatis Discípula, no te amargues por el tiempo perdido, pues si estás aquí en este momento, bendita sea la oportunidad de servir!	Ramatis: Disciple, do not worry for the lost time, because if here you arrived on that hour, it was the blessed opportunity to serve!
Cuando está en medio de los problemas, no te amargues.	When you're in the midst of troubles, don't get bitter.
Sirve al pastor que venga con todo tu corazón y no te amargues.	Serve the next pastor with all your heart and don't get bitter.
Bueno, no te amargues.	Well, don't feel bad.
Cielo, no te amargues.	Honey, please don't feel too bad.
Solamente no te amargues.	Just don't get bitter.
¡Pero no te amargues!	But don't be upset!
No te amargues la vida.	Don't beat yourself up.
No te amargues por este caso.	Don't break your heart.