プログレッシブ和英中辞典(第4版)の解説
たいけつ【対決】
(a) confrontation ((with))
対決する confront
今度の選挙は保守と革新の対決となる
The next election will be a confrontation between the conservative and the progressive camps.
被告は原告と対決させられた
The accused was 「confronted by [brought face to face with] his accuser.
彼といつでも対決する覚悟はできている
I'm prepared 「to confront him [《口》 for a showdown with him] at any time.