今天先不打了英文怎么说

"今天先不打了" 的英文说法是 "I'll skip today" 或 "I'll take a break today"。这个表达来源于英文中 "skip" 或 "take a break" 的含义，意思是放弃或暂停某件事情。

例句：

I'll skip the gym today, I'm feepng a bit tired. (我今天不去健身房了，我感觉有点累。)
I think I'll take a break from studying for a while, my brain is fried. (我想我要暂停一会儿学习，我的大脑要炸了。)