to the best of my understanding or belief
就我所知，据我看来
in my opinion
在我看来
another way of saying see you
再见
have declined from former prosperity or good condition
已经衰败；今不如昔
this part of South London has seen better days.
南伦敦的这一片已经不如往昔了。
be very worldly or very familiar with a particular situation
熟知；了解
said as an appeal for time to think before speaking
让我想想
Let me see, how old is he now?.
让我看看，他现在多大年纪？。
(humorous)said euphemistically when leaving to go to the toilet or keep an undisclosed appointment
(幽默，婉)有点儿急事先行告辞
said to give emphasis to a statement or command or to express a protest
［用以强调某一陈述，命令，或表示抗议］看看；瞧瞧，听着
now see here, you're going to get it back for me!.
听着，你要把它给我弄回来！。
find that it is possible or convenient to do something (often used in polite requests)
有可能做某事；方便做某事（常用于礼貌请求中）
recognize a person who can be fooled or deceived
发现某人容易上钩
foresee or be prepared for an event, typically an unpleasant one
预见某事快要发生，准备应对某事（尤指坏事）
(Brit. informal)said when refusing categorically and with hostility to do what a person wants
(英, 非正式)［用于恶意的断然拒绝］看某人先倒霉，绝不