“弟兄们，”他说，“我们遇到了个大热天，全都累坏了，精神不佳。”

My lads, 'said he,' we've had a hot day, and are all tired and out of sorts.

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教师的精神面貌不佳。

Morale among teachers is at a low ebb.

《牛津词典》

精神状态不佳，患肝、肾及肺的慢性病以及维生素缺乏等都能使内分泌腺的分泌功能产生障碍，因而影响身高。

State of mind is not good, liver, kidney and lung's chronic illness as well as vitamin deficiency and so on can prevent endocrine gland's secretion and influence height.

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