下面为“all along”一词的详细百科式说明：

词条：all along

音标：/ɔːl əˈlɒŋ/

词性：副词

中文翻译：一直；始终；从头到尾

基本释义：

指某种情况、状态或事实从最初一直存在，没有改变。

表示对过去某件事的持续状态的回顾，通常带有“早就如此”或“原来如此”的意思。

用法说明：

通常放在句中或句尾，表示某个情况从开始到现在都未改变。

多用于表示惊讶、确认或回忆某件早已存在的事实。

例句：

I knew it all along that he was telling the truth.
我一直都知道他在说实话。

She had suspected all along that something was wrong.
她一直怀疑事情有问题。

We were friends all along, even when we argued.
即使我们争吵，我们一直都是朋友。

The solution was right in front of us all along.
答案从头到尾就在我们眼前。

He claimed he didn’t know, but I knew all along.
他说他不知道，但我早就知道了。

The plan had been in motion all along.
这个计划从一开始就已经在进行。

They were supporting each other all along the way.
他们一路上一直互相支持。

It turns out she was right all along.
事实证明她从头到尾都是对的。

I had a feeling something was off all along.
我一直都有种不对劲的感觉。

We realized that he had been helping us all along.
我们意识到他从头到尾一直在帮助我们。

短语搭配：

know all along：一直知道

suspect all along：从一开始就怀疑

be right all along：始终是对的

support someone all along：一直支持某人

realize all along：早就意识到

如果你需要，我可以为你附上“all along”的标准英式和美式发音示例，并标注发音技巧。你希望我加上吗？