一起做事
從位置移到行動：兩個人並肩站著，做的是同一件事，所以這個字用來講合作與同時進行。
together with · r · C1
Together with someone or something, at the same time or in the same place.
一起／並肩
核心畫面
One way to picture alongside: two things lying side by side, running the same way — a boat pulled up against the dock. From that parallel position English gets two more ideas: doing something together with someone, and holding two things next to each other to see how they measure up.
可以想成 alongside 是兩樣東西並排、朝著同一個方向躺著——像小船靠上碼頭那樣。從這個「並排」的位置，英文再…更多收起
可以想成 alongside 是兩樣東西並排、朝著同一個方向躺著——像小船靠上碼頭那樣。從這個「並排」的位置，英文再長出兩層意思：跟某人一起做事，以及把兩樣東西擺在一起看它們高下如何。From the picture
擺在一起比較
並排的目的變了：不是同行，而是為了對照——放在一起，差別才看得出來。
compared with · r · C1
When put next to something else so you can compare them.
與…相比
Also in this word
next to · r · C1
Next to the side of something or someone, very close by.
在旁邊
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
alongsideadv/əˌlɒŋˈsaɪd/
- 1
Along the side; by the side; side by side; abreast.
- Ahoy! Bring your boat alongside.
- All of a sudden, another car drew up alongside.
alongsideprep/əˌlɒŋˈsaɪd/
- 1
Side by side with.
- 2
Together with or at the same time.
- The nurse worked alongside the doctor.
- The Italian opted for Bolton's Cahill alongside captain John Terry - and his decision was rewarded with a goal after only 13 minutes. Bulgaria gave a hint of defensive frailties to come when they failed to clear Young's corner, and when Gareth Barry found Cahill in the box he applied the finish past Nikolay Mihaylov.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。