プログレッシブ和英中辞典(第4版)の解説
おもいきる【思い切る】
考えたすえに彼との結婚は思い切ることにした
After long and careful thought I 「gave up the idea of [decided against] marrying him.
５年経ってもまだ思い切れないでいる
Even after five years he still hasn't been able to 「put it behind him [give up on it completely].