All of a sudden the mood in the dressing room changed completely.

更衣室里的气氛也好像突然一下就发生了很大的变化。 现在我们很乐观，着眼于每一场比赛，我希望我们能继续保持下去。

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I realized that the Micawbers had not changed at all, but this quick change of mood was rather a surprise for Traddles.

但这种情绪忽高忽低的突然转变使特拉·德尔很是吃惊。

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But for all the celebrating that the Democrats were doing over the weekend, the mood in the party dramatically changed with Monday's news that Eliot Spitzer, the governor of New York and a leading progressive voice in the party, was embroiled in a prostitution scandal.

NPR: How Did Spitzer Get Involved in Prostitution Ring?