Definition: when you think in a serious and careful way Level: C2
在回答我的问题前，他停下来进行了思考。
He paused for ___reflection before answering my question.
经过深思，我认为我错了。
On ___reflection, I think I was wrong.
直到现在，经过反思，我才意识到我的父母曾在我身上倾注了多少关怀、爱与体贴。
Only now, on ___reflection, do I realize what care, love and thoughtfulnes[s] my parents lavished on me.
