noun ダウンロード 🔗共有 自己主張, 断言 The quality of being self-assured and assertive. Examples : "Sarah's assertiveness helped her confidently ask her teacher for clarification during the math lesson. " サラの自己主張は、彼女が数学の授業中に自信を持って先生に説明を求めるのに役立ちました。 character attitude quality mind human AIとチャット語彙ゲーム読解練習