This is the 262nd most frequent Turkish word.
sürekli
Constant; continuous; perpetual.
"Sürekli" is used here to mean "constantly," indicating that the action is repeated continuously over time.
O, sürekli aynı hatayı yapıyor.
He constantly makes the same mistake.
Here, "sürekli" emphasizes the frequent and ongoing occurrence of a requirement.
Bu araba sürekli tamir istiyor.
This car continuously needs repairs.
In this context, "sürekli" conveys the speaker's consistent and uninterrupted intention to improve themselves.