(一)时间是金，其值无价
Time is money.时间就是金钱。/一寸光阴一寸金。
Time flies.光阴似箭。/时光飞逝。
(二)时间是风，去而不返
Time and tide wait for no man.岁月不待人。
Time cannot be won again.时间一去不再来。
Time lost can not be recalled.光阴一去不复返。
(三)时间是尺，万物皆检
Time tries friends as fire tries gold.时间考验朋友，烈火考验黄金。
Time tries truth.时间检验真理。
Time brings the truth to light.时间一到，真理自明。