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prognosis for [disease/condition]
The prognosis for lung cancer is poor.
肺癌的预后很差。
预测；预言
先理解核心含义，再看它在真实句子里的用法。
预测；预言
A prediction of the future course or outcome of a situation based on present knowledge.
The prognosis for lung cancer is poor.
肺癌的预后很差。
基于目前所知对情况未来进程或结果的预测；预言。
A forecast of the future course or outcome of a situation based on what is presently known; a prediction.
对某事(如天气)发展的预测
a prediction about how something (as the weather) will develop
基于当前医学知识对疾病或失调未来进程或结果的预测。
A forecast of the future course or outcome of a disease or disorder based on current medical knowledge.
对疾病进程的预测
a prediction of the course of a disease
The doctor gave a hopeful prognosis after the successful surgery.
手术后，医生给出了乐观的预后。
Based on current data, the economic prognosis for next year is cautious.
根据当前数据，明年的经济预测是谨慎的。
An early diagnosis often leads to a better prognosis for patients.
早期诊断通常能为患者带来更好的预后。
The prognosis for lung cancer is poor.
肺癌的预后很差。
The prognosis of the disease depends on early detection.
疾病的预后取决于早期发现。
It is too early to make a prognosis.
现在做出预后还为时过早。
Not this
The doctor prognosed a quick recovery.
Use this
The doctor made a prognosis of a quick recovery.
“prognosis”是名词，不能用作动词。应使用“make a prognosis”来表达“做出预后”。
Not this
He has poor prognosis.
Use this
He has a poor prognosis.
“prognosis”是可数名词，需要不定冠词“a”来修饰。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
预后不良
The doctors gave a poor prognosis after the surgery failed.
手术失败后，医生们给出的预后不良。
预后良好
Patients with early-stage cancer often have a good prognosis.
早期癌症患者的预后通常良好。
不容乐观的预后
Despite the grim prognosis, she kept fighting.
尽管预后不容乐观，她仍在坚持抗争。
康复预后
The prognosis for recovery depends on the severity of the injury.
康复预后取决于损伤的严重程度。
经济预测
The economic prognosis for the coming year is mixed.
来年经济预测好坏参半。
Use prognosis naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象医生先诊断（diagnosis）现在，再像看天气一样预测将来——prognosis 就是病情预报。
语域：formal 常见场景：medical consultation、formal writing prognosis 是比较正式的词，多用于医学语境（如病情预后），也用于正式书面语中表示对事态发展的预测；日常口语中较少使用。
可数名词，常与介词 for 或 of 连用，表示对某事的预后。
Dictionary facts from ECDICT, WIKTIONARY.