Let's shake on it.

让我们握手庆贺取得一致。

《牛津词典》

Let's shake on it. Let's first be friends, okay?

咱们握一下手先从朋友做起，好吗？

youdao

Let's shake on it. Let's first be friends, okay?

咱们握一下手先从朋友做起，好吗？

youdao