要是这样就好了英语怎么说

如果这样就好了，英语中常用表达是“If only it were that simple.” 这个表达来自英语中常用的感叹词"if only"，意思是希望事情能够变得更简单或更好。

例句：

If only it were that simple. 那样就好了。
If only I had known the answer. 只要我知道答案就好了。
If only I could talk to her one more time. 只要我还能再和她谈谈就好了。