“踌躇满志”常见的英文表达有 “be full of confidence and ambition” 或 “be highly self-satisfied and ambitious” ，也可用 “elated with success and full of ambition” 来体现取得一定成果后自信且满怀壮志的状态。以下为具体解释：
be full of confidence and ambition：直白地传达出充满信心和抱负的意思，适用于描述对未来有积极预期、充满干劲的情境。例如：After years of hard work, he is now full of confidence and ambition to start his own business.（经过多年的努力，他现在踌躇满志，打算开创自己的事业。）
be highly self-satisfied and ambitious： “self-satisfied” 体现出自我满足的状态，“ambitious” 表示有雄心壮志，整体表达了一种既自我认可又胸怀大志的感觉。例如：With his latest project a huge success, he was highly self-satisfied and ambitious to take on even greater challenges.（他最新的项目取得了巨大成功，此刻他踌躇满志，想要迎接更大的挑战。）
elated with success and full of ambition： “elated with success” 描绘出因成功而兴高采烈的情绪，“full of ambition” 则突出雄心壮志，更侧重于在取得成功之后的那种自信且志向远大的状态。例如：After winning the championship, he was elated with success and full of ambition for the next season.（赢得冠军后，他踌躇满志，对下一个赛季充满期待。）