This is the 14004th most frequent Turkish word.
mesleklerine
"To their professions" or "to their occupations".
The word 'mesleklerine' is used to mean 'to their professions', referring to the professions (plural) of the doctors.
Doktor çocukları, mesleklerine büyük bir bağlılık duyarlar.
Doctors' children feel great devotion to their professions.
Here, 'mesleklerine' signifies 'for their careers', talking about the careers of the students.
Öğretmenler, öğrencileri mesleklerine hazırlamak için ellerinden geleni yapıyorlar.
Teachers do their best to prepare their students for their careers.
In this instance, 'mesleklerine' translates to 'in their profession', referring to the single profession group ideally understood as law practice for all lawyers.