This is the 13748th most frequent Turkish word.
kılığında
"In the guise of" or "in the form of."
In this sentence, 'kılığına' is used to indicate adopting the appearance or disguise of someone (a detective in this case) for a specific purpose.
Bir dedektif kılığına girerek gizli görevde çalışıyordu.
He was working undercover by taking on the guise of a detective.
Here, 'kılığına' is used to indicate transforming oneself into the appearance or guise of a princess for an event, showing a thematic disguise.
Maske balosunda bir prenses kılığına bürünerek katıldığı fark edildi.
It was noticed that she attended the costume ball in the guise of a princess.
In this instance, 'kılığına' refers to representing objects (sculptures) as resembling birds, demonstrating artistic interpretation.