专门 (pinyin: zhuān mén, written "zhuan men" or "zhuanmen") means specialized; dedicated (to a particular field or purpose). Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 专门.
Meaning
specialized; dedicated (to a particular field or purpose)
specially; specifically (for a particular purpose)
(of institutions, personnel etc) designated or assigned for a specific task; special