If you want us to treat you as an adult, you have to act maturely.

【mature】如果你想让我们把你当成年人看，你得表现得成熟点。

In this matter let your judgments be slowly and maturely weighed, but see that they are irrevocable.

在这件事上，让你的判断慢慢地、成熟地权衡，但要确保它们是不可撤销的。

Even the little squabbles that tend to come up seem to be solved fairly quickly, maturely and I love it.

即使是经常出现的小争吵， 似乎也能很快、成熟地解决，我喜欢这样。

And therefore, tragically, in adult friendships, neither party is left able to call out the problem sensibly or deal with it maturely, leaving it to fester in embarrassment and shame instead.

因此，可悲的是，在成人友谊中，任何一方都无法明智地说出问题或成熟地处理问题，反而让问题在尴尬和羞耻中溃烂。

The place had a soothing influence on him. He procured a pipe from a neighbouring public-house, and smoked it, looking in at the railings and maturely considering the spot.

这个地方对他产生了舒缓的影响。他从附近的公共住宅里买了一根烟斗，抽了抽烟，看着栏杆，成熟地考虑了一下这个地方。