They sang songs to keep their spirits up.

他们唱歌以保持高昂的情绪。

《牛津词典》

Help them keep their spirits up!

帮助你的孩子们保持良好的精神状态。

youdao

The coach spoke to the team and told them they must keep their spirits up.

教练跟队员谈话，告诉他们必须打起精神。

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The coach spoke to the team and told them they must keep their spirits up.

教练跟队员谈话，告诉他们必须打起精神。

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