You never can tell.

你永远没法预见。

youdao

You never can tell what life is going to bring you.

你永远不知道人生会给你带来些什么。

youdao

We never can tell what will happen tomorrow, so appreciate and treasure people and things around us now.

我们永远不知明天将如何，所以感激并珍惜今天陪在我们周围的人和物吧。

youdao

I've gotten pretty far in my life, and as far as I can tell I've never, ever, ever had to remember the capitals of the 50 states.

都这么多年了，我还记得我从来没有，需要住50个州的首府的时候。

耶鲁公开课 - 死亡课程节选

There's never been any agreement, so far as I can tell, as to who it is we're supposed to be imagining the outside observer to be, and there are all sorts of conjectures.

这里的X到底是谁，就我所知，并没有定论,这个置身于外的观察者的身份仍然不明，关于这点又充满了各种各样的推测。

耶鲁公开课 - 弥尔顿课程节选

Sandell says you never can tell when you're going to meet a great entrepreneur.

FORBES: Scott Sandell

"We hope forecasts are exaggerating the amount of snow, but you never can tell, " he said.

WSJ: Northeast Braces for Major Blizzard

But since investors had been discounting such a rescue, you never can tell.

BBC: Messy Spanish rescue