The history of technological development doesn't go in a straight line.

技术发展史不一帆风顺的。

And as you'll see, it's not always a smooth ride.

而这一过程并不总一帆风顺的。

But only after some false starts.

但这并不一帆风顺的过程。

Things are never as good, right?

没有什么会永远一帆风顺的不吗？

But I'm sure it won't all be smooth sailing.

但我可以肯定的，事情不会一帆风顺的。

Life is beautiful, but it's not always sweet.

生活美丽的，但并不总一帆风顺的。

But that's not to say that I haven't been through bad times.

但那并不代表我的生活都一帆风顺的。

So, let me tell you, the whole experience was no bed of roses!

所以，让我告诉你，整个经并不一帆风顺的！

The changeover from imperial colony to new sovereign country was not always smooth.

从帝国殖民地到主权国的转变并非总一帆风顺的。

But not all was well within the company's management.

但在公司的管理范围内，并非所有事情都一帆风顺的。

But it isn't always easy with a cat for a client as part of the prosthetic process.

但对于一个猫咪病人来说，安装假肢并不一帆风顺的。

Did either of us grow up with any advantages?

咱俩谁一帆风顺长大的？

The journey home on the Hogwarts Express next day was eventful in several ways.

第二天，在霍格沃茨特快列车上的归途中，从一些方面来说并不一帆风顺的。

We argue, we shout, we, you know, it's not all a bed of roses, so to speak.

我们争吵，我们大喊，我们，你知道，可以说，这并不都一帆风顺的。

Well, it doesn't always go so well when you invite someone to a party, sometimes they can't come.

嗯，当你邀请别人参加聚会时，事情并不一帆风顺的，有时他们无法参加。

I wouldn't say it is a very easy journey, to be very frank, because there are some culture issue behind.

老实说，也不一帆风顺的，因为这背后总有一些文化问题。

And we now see that epidemiological transition isn't always straightforward, and there can be bumps along the road.

我们现在看到，流行病学的过渡并不总一帆风顺的，在前进的道路上可能会有颠簸。

It hasn't always been smooth or easy but it really has made America a much more vibrant and diverse society.

这并不总一帆风顺的，但它确实让美国成为了一个更有活力、更多变的社会。

No one's road is destined to be smooth and smooth.

没有人的路注定一帆风顺的。

The road to success is always under construction. It ain't ever smooth sailing to success.

成功之路总在建设中。成功从来都不一帆风顺的。