热闹：jollification
冷清：冷清可以形容很多情况，一下子不好说，给你一些例句你看看吧
The meeting was very dull.
会议开得冷冷清靖。
The party wound down as guests began to leave.
客人开始离开，晚会变得冷清起来
It quiet sag. For today decline tkos just the same.
由于市场冷清，故今天婉拒贵方报价，但仍感激不尽。
Business languished, and she hung out a Room to Let card.
生意冷清，她挂出了"出租房屋"的招牌。
We've only just moved here so we still feel a bit out of it.
我们刚刚搬到这里，和别人不熟感到仍有些冷清。
The place has been like a ghost town since they built the new bypass round it.
自从他们沿着那个地方修建了一条新的旁路后，那个地方就一直非常冷清。
活泼：liveliness lustiness vivacity
参考资料：金山词霸