対たい

noun

versus; against

Used to indicate opposition or competition between two parties, as in sports matches, legal cases, or debates.

• 今日きょうの試し合あいは巨きょ人じん対たい阪はん神しんです。

  Today's game is Giants versus Tigers.

• 原げん告こく対たい被ひ告こくの裁さい判ばんが始はじまった。

  The trial of plaintiff versus defendant has begun.

noun

to (scores, ratios)

Placed between two numbers to express a score, ratio, or vote count. Often read as 'たい' in formal contexts, but colloquially '対' may be read as 'たい' or simply implied.

• 試し合あいは3対たい1で我われ々われの勝かちだった。

  The game ended with a score of 3 to 1, our win.

• 賛さん成せい320対たい反はん対たい180で法ほう案あんが可か決けつされた。

  The bill passed with 320 in favor to 180 against.

noun, used as a prefix

toward; to; with; against; anti-

Prefix-like element used in compounds to express direction, attitude, or opposition. Common in words like 対人 (interpersonal), 対米 (toward the US), 対処 (coping with), 対策 (countermeasure).

• 対たい人じん関かん係けいのスキルを磨みがく。

  Polish interpersonal skills.

• 政せい府ふは対たいテロ対たい策さくを強きょう化かした。

  The government strengthened anti-terrorism measures.

noun

equal footing; equal terms

Often used in the phrase 対等 (たいとう) or in expressions like 対の立場, meaning a relationship of equality. Rarely used alone; more common in compounds.

• 両りょう者しゃは対たい等とうの立たち場ばで交こう渉しょうした。

  Both parties negotiated on equal footing.

noun

opposite

Indicates something that is opposite or paired. Often seen in compounds like 対義語 (antonym) or 対岸 (opposite shore).

• 「善ぜん」の対ついは「悪あく」です。

  The opposite of 'good' is 'evil'.