プログレッシブ和英中辞典(第4版)の解説
けつい【決意】
(one's) determination; (one's) resolution
決意を固める
strengthen one's determination ((to do))/stiffen one's resolve
決意を表明する
declare one's determination [decision] ((to run for mayor))
彼の声には決意が感じられた
There was a note of resolution in his voice.