翻译 - 拉丁语-汉语(繁体) - carpe diem

把握每一天 = treasure every single day
Other options
a) 及時行樂 (enjoy while you can)
b) 今朝有酒今朝醉 (get drunk today while you have the wine)
c) 今日不知明日事 (nobody knows what tomorrow will bring)