bildiği konularda zekî fakat sıkıcı kişi

listen to the pronunciation of bildiği konularda zekî fakat sıkıcı kişi
Türkçe - İngilizce
trainspotter
a person whose hobby is train spotting
{i} person who collects the numbers of railroad locomotives as a hobby; intelligent but boring person (Slang)
an obsessive follower of any minority interest or hobby
A trainspotter is someone who is very interested in trains and spends time going to stations and recording the numbers of the trains that they see