[はってん, hatten](n, vs) (1) development; growth; advancement; unfurling; (2) expansion; extension; enlargement; (3) (recently often associated with gay sex) (See 発展場) playing around; having an active sex life; (P)#1425[Add to Longdo]
[このあいだ(P);このかん, konoaida (P); konokan](n-t, n-adv) (1) the other day; lately; recently; during this period; (2) (このかん only) meanwhile; in the meantime; (P)#7312[Add to Longdo]