there is no time to lose [be lost].; a golden apportunity not to be missed; there is no time like the present ― one must not miss the opportunity
Related Translations:
失: Ⅰ动词1.(失 掉; 失去) lose 短语和例子失而复得 lost and found again; 因小失大 try to save a little only to lose a lot; 贪多必失。 grasp all, lose all. 她失去了美貌。 she has lost in beauty.2.(错过) miss; let slip 短语和例子坐失良机