"一起" (yīqǐ) in Chinese means "together" or "with each other" in Engpsh.
The phrase "一起" is derived from the Chinese characters "一" (yī) and "起" (qǐ), which mean "one" and "start" or "rise" respectively. When combined, the characters pterally mean "to start or rise together as one."
Here are some examples of how "一起" can be used in Engpsh:
Let's go out to eat together. (我们一起出去吃饭吧。)
We will work on this project together. (我们一起做这个项目。)
They are always together, always inseparable. (他们总是在一起，总是不可分割。)