QUICK ANSWER
"Work on" is a transitive verb phrase which is often translated as "trabajar en", and "work in" is a transitive verb phrase which is often translated as "incorporar". Learn more about the difference between "work on" and "work in" below.
work on(
wuhrk
an
)A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).
a. trabajar en
William is working on developing an application for smart phones.William está trabajando en el desarrollo de una aplicación para teléfonos inteligentes.
a. tratar de convencer
Chelsea has been rather negative lately, so I'm working on her to be more positive.Chelsea está bastante negativa últimamente, así que estoy tratando de convencerla de que sea más positiva.
a. esforzarse en
If Brooke is going to continue to be a teacher, she needs to work on being more patient.Si Brooke va a continuar siendo maestra, debe esforzarse en tener más paciencia.
a. partir de
Clark works on the theory that if he does all of his homework assignments, he'll surely get good grades.Clark parte de la teoría de que si hace toda la tarea, seguramente tendrá buenas calificaciones.
b. basarse en
We didn't have much to work on when we first started our research.Teníamos poco en qué basarnos cuando comenzamos nuestra investigación.
c. atenerse a
In business, Stewart always worked on the same principle: the customer is always right.En los negocios, Stewart siempre se atenía al mismo principio: el cliente siempre tiene razón.
work in(
wuhrk
ihn
)A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).
1. (to add)
a. incorporar
Work the seasoning in so that all the meat gets that flavor.Incorpora la sazón de modo que toda la carne absorba ese sabor.
2. (to include)
a. incluir
The band works in some of Cuban music's most famous choruses during the song.La banda incluye algunos de los coros más famosos de la música cubana durante la canción.
