reflect（up）on
1．consider carefully认真考虑
I reflected on all he had said to me．我仔细考虑了他对我说的话。
As you get older you begin to reflect on the uncertainty of life．随着年龄的增长，你会开始意识到生活是不稳定的。
2．bring sth．into disfavor or question带来不利影响或造成问题；使…名誉不好
The lie that you told reflects on your honesty．你的谎言有损于你的诚实。
His arrogance only reflects on himsdlf．他的傲慢无礼只能使自己丢脸。
3．discredit or doubt；blame怀疑；不信任；责备
I don't wish to reflect upon your sincerity．我并不愿意怀疑你的诚实。
The man made recommendations which reflected on their efficiency．那个人提出了一些建议，指责了他们的工作效率。