Not too big, but too long.

不是太大，而是太远。

youdao

Let me see, I need to find a handle that matches but that shouldn't take too long.

让我看看，我需要找到一个匹配的手柄，但这不会花太长时间。

youdao

The book is too long but, nonetheless, informative and entertaining.

这本书篇幅太长，但是很有知识性和趣味性。

《牛津词典》

"There may be enough to eat for a while." he says, "but before too long there may be hunger."

VOA: special.2010.04.13

But there's more, and this is why novels are long: - not too long, not too short, but of a certain length-- of a certain magnitude, as Aristotle puts it.

但是当然还有很多别的东西，要不这本书也不会那么长：,不是太长，但也不短，刚刚好能说明清楚问题的长度-,亚里士多德这么评价。

耶鲁公开课 - 文学理论导论课程节选

That happened not too long ago, but it was just a really fantastic display of all his work.

那是不久前的事情，但它真的极好地展示了他所有的作品。

印象深刻的展示会 - SpeakingMax英语口语达人

Before you jump into retirement, invest the time and money in a second set of professional eyes to look at your numbers, review your investment suggestions, and discuss the pros and cons of different types of investments, ensuring that your vines are long enough, but not too long.

FORBES: Investor Rites of Passage - Part 2: Retirement

But not too long ago, this scene with Arthur would have been completely unthinkable.

FORBES: Cell Phone Time Machine

But for too long, I know many of you have felt like your destiny has been slipping beyond your control.

WHITEHOUSE: Help for Homeowners in the Hardest Hit States