一 [いち] /(num,pref) (1) one/(suf) (2) best in/the most (...) in (where an adjective follows)/(P)/
一 [ひとつ] /(io) (num) (1) one/(n) (2) for one thing (often used in itemized lists)/(3) (after a noun) only/(4) (with a verb in negative form) (not) even/(n-adv) (5) just (i.e. "just try it")/