1) 特訓とっくん #5,751 Inflections of 特訓 Class Suru verb Stem Inflected ending ✕ Link copied! Common とっくん [0] Meaning Shirabe Noun Suru verb Transitive verb special training; intensive training; crash course Kanji 特 トク special 訓 クン instruction, Japanese character reading, explanation Forms 特訓#5,751特訓とっくんとっくんとっくん