Anything is possible.
一切皆有可能。
There are several possible explanations.
有几种合理的解释。
It was the best possible surprise anyone could have given me.
那是我曾感受过的最大的惊喜。
Don’t leave your packing until the last possible moment.
别把打点行李拖到最后一刻。
Try to make your poster as attractive as possible.
使你的海报尽可能地吸引人。
We must take action as quickly as possible now.
我们现在必须尽快采取行动。
You have to search for as many opportunities as possible to practice listening.
你要寻找尽可能多的机会练习听力。
I want to avoid the rush hour traffic if possible.
如有可能，我想避开交通高峰期。
Use public transport whenever possible (= when you can).
只要有可能，就用公共交通工具。