How to say but on the contrary/but expectedly in Chinese 反倒

晚上头脑反倒清楚。 ( At night my head was clear. )

中国女排一上来先输了两场，最后反倒以三比二战胜了对方 ( The Chinese women's volleyball team first lost two games and finally defeated each other by three to two. )

宴会的主人反倒来晚了。 ( The host of the banquet was late. )

那老滑头反倒被人算计了。 ( The old slipper was counted. )

人家忙活半天，你不说几句鼓励的话，反倒浇冷水，真不像话。 ( People are busy for a long time. You don't say a few words of encouragement, but you pour cold water instead. )

在关键时刻你怎么反倒不哼不哈了？ ( How can you stop humming at critical moments? )