当我看到这个数学题的解法时，突然豁然开朗。

When I saw the solution to this math problem, everything ___clicked in my mind.

他们第一次见面就聊得很投缘。

They ___clicked right away when they first met.

我们第一次见面时就特别投缘，很快就聊得很开心。

We ___clicked right away when we first met and started chatting happily.

她讲解了几遍后，我终于明白了这个数学概念。

After she explained it a few times, the math concept suddenly ___clicked for me.

我们第一次见面就很投缘。

We ___clicked right away when we first met.

我点击了下载按钮，文件开始下载。

I ___clicked the download button and the file started downloading.