all the time, at all times, or every time

总是，每次都:

Always lock your bicycle to something secure.

总要把自行车锁在牢固的物体上。

She'd always assumed that Gabriel was a girl's name.

她一直认为加布里埃尔是个女孩名字。

He hadn't always been a butler.

他并不是一直当管家。

for a very long time

一直，长久以来:

I've always wanted to go to Paris.

我一直都想去巴黎。

John's always been keen on music.

约翰一直喜爱音乐。

for ever

永远:

I'll always remember that day.

我会永远记住那一天。

if someone or something is always doing something, they do it often, especially in an annoying way

经常，没完没了地，老是:

That woman next door's always complaining.

隔壁的那个女人老是发牢骚。

always assuming / supposing (that) sth, [BrE] used to say that one important fact has to be accepted as true for something else to happen, be true etc

要是…的话:

We'll leave on Tuesday – always assuming the car's repaired by then.

我们礼拜二出发 — 如果那时车子能修好的话。

as always, as is usual or expected

同往常（料想的）一样:

The truth, as always, is more complicated.

同料想的一样，事实更为复杂。

As always, Deborah was the last to arrive.

同往常一样，德博拉最后一个到。

can / could always do sth, there's always sth, [spoken] used to make a polite suggestion

总还能做某事，总还有某物〔用于礼貌地建议〕:

You could always try ringing again.

你再打个电话试试总是可以的。

If you can't get it locally, there's always the Internet.

如果你在当地买不到，总还有因特网呢。

sb always was lucky / untidy etc, used to say you are not surprised by what someone has done because it is typical of them

某人一贯幸运/衣冠不整等:

You always were a stubborn creature.

你一贯是个倔强家伙。

He's a troublemaker! Always was and always will be!

他是个捣蛋鬼！ 以前一直如此，以后也一直如此！