"Relaxing for a long time" 可以用英文表示为 "unwind for a long time" 或 "take it easy for a long time." 这个短语有一些不同的来源和意思。

"Unwind" 来源于 "wind up," 意思是 "to unwind something (such as a spring) is to cause it to return to its original shape or condition after it has been wound or tightened." 在这种情况下，"unwind" 的意思是 "to relax or rest after being tense or busy." 例如：

After a long day at work, I pke to unwind by watching a movie or reading a book. (工作一整天后，我喜欢看电影或看书来放松。)
We need to find ways to unwind and de-stress after a busy week. (我们需要找到一些方法在忙碌的一周后放松和减压。)

"Take it easy" 是一个常见的短语，意思是 "to relax or not to do something very strenuous or difficult." 例如：

Take it easy and don't worry too much. Everything will work out. (放轻松，不要太担心。一切都会好起来的。)
I'm going to take it easy today and just relax at home. (我今天要放松一下，在家里休息。)