We have tried to keep them working hard and they have surprised me by how much work they can do.

课上我们尽量让大家忙碌，刻苦，我也很惊讶大家有能力做这么多事情。

youdao

There were a few tears at the end and I was surprised I managed to keep them inside until then. That was a sad moment for me.

到最后我几乎控制不住自己的泪水，离开这里对我来说的确是件感伤的事情。

youdao