“惜时如金”常见的英语表达有：“cherish time as gold” 或者 “value time as precious as gold” 。
“cherish”有“珍视；珍爱；爱护”的意思，“cherish time as gold” 直接表达了把时间当作金子一样珍视。
例如：We should cherish time as gold and make full use of every minute.（我们应该惜时如金，充分利用每一分钟。）
“value”作动词时有“重视；珍视；给…估价”的意思，“value time as precious as gold”强调把时间看得像金子一样珍贵。
比如：He always values time as precious as gold and never wastes a moment.（他总是惜时如金，从不浪费一刻。）
这两种表达都能够比较准确地传达“惜时如金”的含义。
