表示時間寶貴的成語。

時光飛逝，日月如梭。每壹刻都很珍貴，每壹分鐘都很重要。壹寸光陰壹寸金，千金難買。分秒如箭，分秒必爭。真是個窮月，日日夜夜。``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````