用英文解释区别time和times.例如hard times不能用hard time.请用英语解释

time是不可数名词
times是“时代”的意思
比如it takes some time to finish your work
wonderful times 辉煌的时代
times还有动词“乘以”的意思
hard times是艰难时代的意思。

就例如some time，sometime，some times和 sometimes是常用的几个词，它们形似而含义不同。
你看下面参考吧
对你绝对有用，不过就是写不下，抱歉了

times means multiplied by or used in comparisons to show how much more ,better,ect.For example:Five times two(5乘以2）or three times as long as sthtime means（时代）For example：in ancient times...