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"Pensar en" is a transitive verb phrase which is often translated as "to think about", and "de sí mismo" is a phrase which is often translated as "of himself". Learn more about the difference between "pensar en" and "de sí mismo" below.
pensar en(
pehn
-
sahr
ehn
)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. (general)
a. to think about
Luis se pasa todo el día pensando en su próximo viaje a los Estados Unidos.Luis spends the whole day thinking about his upcoming trip to the US.
b. to think of
¿Alguna vez pensaste en estudiar medicina?Have you ever thought of studying medicine?
de sí mismo(
deh
see
mees
-
moh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. of himself
Martín está orgulloso de sí mismo porque salvó a un cachorro que se estaba ahogando.Martin is proud of himself because he saved a puppy that was drowning.
b. of itself
El robot puede tomarse una fotografía de sí mismo.The robot can take a picture of itself.
2. (formal) (second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. of yourself
Si usted no está seguro de sí mismo, va a fallar.If you're not sure of yourself, you'll fail.