This is the 1161st most frequent Turkish word.
olayla
"With the event" or "by the event."
In this sentence, 'olayla' expresses the means by which something occurred, emphasizing the instructive aspect of the event.
Bu olayla hepimiz bir ders aldık.
Through this incident, we all learned a lesson.
Here, 'olayla' is used in the context of referring to a specific event in an instrumental sense, marked with the -la suffix.
Bu olayla bir daha karşılaşmamayı umuyorum.
I hope not to encounter this event again.
'Olayla' here functions to indicate a relation to the event, where the -la suffix connects 'related to' as a key idea.