retain
vt. 保持；记住
eg. Concentrated study will help you to retain knowledge.
专心学习有助于你记住知识。

godparent
n. 教父或教母
eg. It is indeed inappropriate for someone to ask to be the godparent.
主动要求成为教父教母确实不太恰当。

sue
vt. 控告，和......打官司
eg. I don't think it's neccessary for you to sue him for such a matter.
我认为就这点小事，没必要对他提起诉讼。

be bound by
由......联系起来
eg. Yin also encouraged her daughter not to be bound by narrow thinking.
尹建莉还鼓励女儿不要被狭隘的思维方式所束缚。

photographic
adj. 摄影的
eg. She has a photographic memory for detail.
她对细节有惊人的记忆力。

exceptionally
adv. 异常的
eg. Thus, limited liability is likely to have an exceptionally big impact on their behaviour.
因此，有限责任可能会对银行的行为产生异常重大的影响。