En el equipo, Juan es considerado un crack por sus habilidades futbolísticas.
In the team, Juan is considered an expert for his football skills.
Context: sport El matemático, conocido como un crack en su campo, resolvió problemas complejos.
The mathematician, known as an expert in his field, solved complex problems.
Context: science Para ser un crack en tu trabajo, es importante seguir aprendiendo y mejorando.
To be an expert in your job, it's important to keep learning and improving.
Context: professional development