If only I had more time to think about it.

我要是有更多的时间考虑这个问题就好了。

youdao

If only I had known a little bit more about accelerated and effective learning when I was still a student myself! That would have saved me a lot of frustration and, most of all, precious time.

如果在我还是学生时就多知道一点有关高效学习的知识，那将会使我减少很多挫折，最重要的是，节约很多宝贵的时间。

youdao

Perhaps you think, “if only I had enough time”, “if only I had the money”, “if only I had the resources”, “if only I knew the right people.

也许你会这样想，“要是我有足够的时间”，“要是我有足够的钱”，“要是我有资源”，“要是我认识贵人。”

youdao

If I'd had more time on my hands I'd only have come up with more bright ideas of what we could do with the dish.

BBC: About BBC News | This is BBC News | Here's one I made earlier

For a brief time I could, if my tax rate had been lower, only pay 90% of what I owe in quarterly tax payments to avoid penalties and interest at the end of the year.

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