很长时间

I have been here for a long time.

我在这里很长时间了。

I have been waiting for a long time.

我已经等了很长时间了。

There is a man who follows behind you for a long time.

有个人跟在你后面很长时间了。

For some time after their visit to the church belfry it had been impossible to arrange meetings.

去了教堂钟楼后，他们很长时间没法子安排约会

It will not take long before it bends.

它不会需要很长时间才弯曲。

So i spent a long time to learn to riding Bike.

当然，我花了很长时间去学骑车。

It doesn't have to be a long trip to increase the risk of a deadly blood clot.

并不是很长时间的旅行才会增加血凝块的危险。

I haven't seen you in a blue moon.

我很长时间没有看到你了。

I have not see you in a blue moon.

我很长时间没有看到过你了。

You could go by boat or by train, although it would take so long that you'd need to come back immediately.

你可以乘船或坐火车，但那样会花很长时间，所以你会需要立即回来。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。