set your sights on
将目光投向、集中精力于某事
口语·表达设定目标
英文释义
to have a specific goal or target in mind; to aim for or focus on achieving something
例句
She set her sights on becoming a doctor and worked hard every day.
典故来源
源于军事用语，'sights'指瞄准器，原指用枪瞄准目标，后比喻将精力集中在某个目标上。