1. （镜子里的）映像;（水中的）倒影
    A reflection is an image that you can see in a mirror or in glass or water.

    e.g. Meg stared at her reflection in the bedroom mirror.
           梅格注视着卧室中镜子里的自己。

2. （光或热等的）反射
    Reflection is the process by which light and heat are sent back from a surface and do not pass through it.

reflection

    e.g. ...the reflection of a beam of light off a mirror.
           一束光从镜子表面的反射

3. 反映;表现;显示;体现
    If you say that something is a reflection of a particular person's attitude or of a situation, you mean that it is caused by that attitude or situation and therefore reveals something about it.

    e.g. Inhibition in adulthood seems to be very clearly a reflection of a person's experiences as a child.
           一个人成年期的情感压抑似乎很明显是其童年时期经历的反映。

4. 坏的印象
    If something is a reflection or a sad reflection on a person or thing, it gives a bad impression of them.

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    e.g. Infection with head lice is no reflection on personal hygiene...
           头上生虱子并不说明不讲个人卫生。
    e.g. The library is unique and its break-up would be a sad reflection on the value we place on our heritage.
           这个图书馆很特别，若将它关闭，会让人怀疑我们是否珍视传统。

5. 深思;见解;想法
    Reflection is careful thought about a particular subject. Your reflections are your thoughts about a particular subject.

    e.g. After days of reflection she decided to write back...
           想了几天之后她决定回信。
    e.g. He paused, absorbed by his reflections.
           他停下来，陷入了沉思。

6. 评论;感想
    Reflections on something are comments or writings that express someone's ideas about it.

    e.g. In his latest collection of poems readers are confronted with a series of reflections on death.
           在他最新的诗集里，读者能够读到他对死亡的一系列感想。