a master; an expert

kung fu: Chinese martial arts / (uncommon) efforts (devoted to a task)

Alternative spelling of 工夫 (kufū): a device, scheme; dedication to spiritual improvement, especially in Zen meditation

Alternative spelling of 工夫 (kufū): to devise, come up with, contrive

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)