alongside用作副词时不用于比较等级。

alongside of
1.〈美·非正〉平行,并排side by side
Alongside of him stood his uncle.他的身旁站着他叔叔。
2.〈美口·非正〉与…相比compared with
His works are second-rate productions, alongside of those of some of his contemporaries.和他同时代的一些人比较,他的著作属于二流作品。

The boat came alongside.船靠岸了。
The two ships lay alongside of each other.这两艘船并排靠着。

alongside, alongside of, beside
这三个词(组)均可表示“在…旁边”。
1.alongside强调“与…并排”,尤用于船舶,指“与码头或其他船只”并排靠拢着。
2.alongside of和alongside意思相同,但前者是美式英语,主要用于非正式场合中,且可用于人。
3.beside仅表示“在…旁边”,它不强调具体的存在方式。

There was a butcher's shop alongside the theater.剧院旁边有一家肉店。
As we were waiting at the traffic lights, another car drew up alongside ours.当我们在交通灯处等候的时候,另一辆汽车和我们并排停靠在一起。
Put this cloth alongside real silk, and you will at once see the difference.把这块料子同真丝放在一起比较,你就会立刻看出差别。
It's a pleasure to work alongside such men.与这样的人一起工作是一件乐事。