プログレッシブ和英中辞典(第4版)の解説
いっしんいったい【一進一退】
彼の病状は一進一退だ
His illness [condition] hangs in the balance.
勝負は一進一退でどちらが勝つか予測できない
It is a seesaw game and we cannot predict which side will win.
日本語の解説|一進一退とは
彼の病状は一進一退だ
His illness [condition] hangs in the balance.
勝負は一進一退でどちらが勝つか予測できない
It is a seesaw game and we cannot predict which side will win.