Definition
To begin a new and happy life, often at the conclusion of a story or significant event.
（在故事的結尾）開始幸福的新生活。
After years of hard work, they finally achieved success and could ride off into the sunset.
經過多年的努力，他們終於取得成功，可以騎著馬奔向夕陽。
Having overcome all the challenges, the couple finally rode off into the sunset on a secluded farm.
克服了所有的挑戰後，這對夫婦終於在一個僻靜的農場騎著馬奔向夕陽。
She quit her job, bought a sailboat, and prepared to ride off into the sunset, starting a new life.
她辭掉了工作，買了一艘帆船，準備騎著馬奔向夕陽，開始新的生活。