► 名詞
一 [(2)いち] meaning: one rank: 1
☆ 一月 ⇨ The first month. January
一個 [(1)いっこ] meaning: one rank: 1
☆ 一個当りの値段 ⇨ The price per piece
☆ 残りは一個しか無い ⇨ There is only one left
☆ 一個の人間としての存在 ⇨ The existence as one human being (☛ 人間 is usually counted as 一人, but 一個 is often used as a literary expression)
一方 [(3)いっぽう] meaning: one rank: 1
☆ 彼は一方の耳が聴こえない ⇨ He cannot hear in one ear
☆ 一方の話だけでは判断出来ない ⇨ You cannot judge from just one side of the story (☛ One side)
☆ 彼は厳しい一方、優しい面もある ⇨ He is very stern on one side, but has a swee side too (☛ One side)
一日 [ついたち] meaning: one rank: 1
☆ 一月一日 ⇨ January first (☛ The first day of a month only. The first day of an even is “初日” and “One day” is “いちにち”)
一つ [(2)ひとつ] meaning: one rank: 1
☆ 一つお聞きしたい事があります ⇨ There is one thing I’d like to ask (☛ One item)
☆ 一つだけ気になることがあります ⇨ There’s just one thing that bothers me (☛ One item)
☆ 一つ選びなさい ⇨ Pick, choose, one (☛ One item)
一人 [(2)ひとり] meaning: one rank: 1
☆ 入場料は一人五百円だ ⇨ The admission is 500 yen per person (☛ One person)
一体 [いったい] meaning: one rank: 3
☆ 彼らはエンジンとギアボックスを一体化した ⇨ They integrated an engine and gearbox in one unit
一事 [(2)いちじ] meaning: one rank: 4
☆ 一事が万事 ⇨ One thing is everything. One example tells you about all the rest (☛ A common phrase. Usually about a telltale sign of bigger problems)
甲 [(1)こう] [liter] meaning: one rank: 4
☆ 甲が売り主で乙が買い主だ ⇨ Party A is the seller and Party B is the buyer (☛ Usually in used in legal documents)
► 接頭辞
一 [ひと] meaning: one rank: 1
☆ 一夏の恋 ⇨ A fleeting romance in one summer
☆ 塩一匙 ⇨ One spoon of salt
片 [かた] meaning: one rank: 2
☆ 彼は片耳が聴こえない ⇨ He cannot hear in one ear (☛ One of a pair)
☆ 彼は片親に育てられた ⇨ He was raised by a single-parent (☛ One of a pair)