If you make an appraisal of something, you consider it carefully and form an opinion about it.
例句
What is needed in such cases is a calm appraisal of the situation...在此類情況下需要對形勢有一個冷靜的評估。Self-appraisal is never easy.進行自我評價向來很難。
N-VAR
（官方或正式的常帶考核性質的）評定，評價
Appraisal is the official or formal assessment of the strengths and weaknesses of someone or something. Appraisal often involves observation or some kind of testing.
例句
Staff problems should be addressed through training and appraisals.職員問題應該通過培訓和考核評定來解決。...an appraisal of your financial standing.對你的財務狀況的評估
英漢詞典釋義
n.
估計, 估量, 評價
What's your appraisal of the situation?你對局勢是如何評估的?
英英詞典釋義
Noun
1. the classification of someone or something with respect to its worth
2. a document appraising the value of something (as for insurance or taxation)