I know it sounds obvious but I've seen a few people suddenly find the camera's stopped working right in the middle of class.

我知道这听起来人尽皆知，但是我看到过一些人就在上课的时候才突然发现相机坏了。

youdao

I looked over at him, but couldn't tell why he had suddenly stopped talking in the midst of a lively conversation.

当我告诉那个司机我要去哪儿时，他沉默下来。我仔细地打量他，弄不清他为何在我们谈话正起劲的时候突然停止了说话。

youdao

I suddenly thought about the toy I wanted to buy last time, but my mother stopped me, she said I had bought so many toys, I still wanted to buy.

突然我想到了上次想买的玩具，但是妈妈阻止了我，她说我已经买了太多的玩具，但是我仍然想买。

youdao