This is the 4182nd most frequent Catalan word.
entrenar
To train.
The word 'entrenar' in this sentence is used as an intransitive verb indicating the action of engaging in physical training.
Demà entrenaré per millorar la meva resistència física.
Tomorrow I will train to improve my physical endurance.
Here 'entrenar' is used as a transitive verb denoting the act of teaching or training someone else in a particular skill.
El seu coach l'entrena en tècniques de natació.
His coach trains him in swimming techniques.
In this usage, 'entrenar' is used to indicate the preparation or development of a group or team for better performance.