The primary goal of a good manager is to get everyone focused, make sure everyone is communicating and keep spirits up.

作为一个优秀的管理者，最基本的要求是使每个人专注于工作，确保每个人沟通、理解并保持乐观的情绪。

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They sang songs to keep their spirits up.

他们唱歌以保持高昂的情绪。

《牛津词典》

Though it's not easy, we should always keep our spirits up for it can give us courage to face difficulties.

虽然这并不容易，但我们应该始终保持精神振奋，因为这能够让我们有勇气面对困难。

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News from home can also keep spirits up.

BBC: HMS Triumph: Life on board a Royal Navy submarine

And she is happy to play their game, since it helps keep her spirits up.

CNN: CRISIS COMES HOME

They were there every day for us, to sit with us, to keep his spirits up.

WSJ: Paralyzed jockey Douglas now successful owner