Definition
This idiom describes a sequence of events where each event is a direct consequence of the one before it, often unfolding naturally.
一连串发生，环环相扣。
I only meant to take a quick look at the website, but one thing led to another, and I ended up spending hours on it.
我本來只是想快速瀏覽一下網站，但事情接二連三地發生，最後我花了幾個小時在上面。
They started by discussing work at a coffee shop, but one thing led to another, and they began planning to start a business together.
他們一開始在咖啡館討論工作，但事情接二連三地發生，最後他們開始計劃一起創業。
She only intended to ask a small question, but one thing led to another, and they ended up having a deep philosophical debate.
她本來只想問一個小問題，但事情接二連三地發生，最後他們進行了一場深刻的哲學辯論。