This often proves difficult and can take a long time so I will ring a bell so that everyone knows it's time to eat! Hopefully this will speed things up a bit.

事实证明这很困难并可能需要很长时间，所以我会提醒每个人，是时候吃东西了！希望能加快速度。

youdao

The basic problem is that it takes a long time to develop a new sequence of lectures and very little time to give last year's lectures, so things change only slowly.

最根本的问题是，开发一种新授课顺序需要花费很长时间，上一年度的授课时间会变得非常少，因此，这种变化只能缓慢进行。

youdao

And so we mistakenly predict that good things will make us happy... Really happy for a really long time... Bad things, why they'll just slay us.

于是我们往往这样错误的预测：好的东西就能使我们幸福并长久的幸福下去，而不好的东西会毁了我们。

youdao

So what I'm saying now is it took a long time for this to solidify. And one of the things we think made it solidify was the development of codices,a codex.

所以这花了很长一段时间,才得以统一，我们觉得,使它统一的是抄本的出现。

耶鲁公开课 - 新约课程节选

"I've been in this job for a long time, so the things that look like defensive wounds turn out not to be, " said Richardson, who has worked in law enforcement and as a paramedic for more than 25 years.

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No one knows what to expect or when, so Americans are buying things they know will last a long time.

CNN: Wary Americans stock up on supplies

In fact, these things are so comfortable that you could wear them for long, long periods of time and we'd wager you remain comfortable, without any ear fatigue.

ENGADGET