It's the matter of time有语法错误吗?中文意思是只是时间的问题.

It is only a matter of time.

没有。

错：固定搭配-It's a matter of time

有。 应该是 It's a matter of time.

知道 a matter of fact 吧
类推 a matter of time
故是：It's a matter of time.才对

没有错误。