critical

詞意辨析：

critical, acute, urgent

這些形容詞均有“緊急的”或“嚴重的”之意。
critical: 指極為危急或缺乏的狀況，而這種狀況標誌一種轉折點。
acute: 通常指需要和缺乏的緊急程度。也指病情的嚴重。
urgent: 指情況緊急，急需解決問題。 

英文解釋：

形容詞 critical:

1. marked by a tendency to find and call attention to errors and flaws
2. at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction
3. characterized by careful evaluation and judgment
4. urgently needed; absolutely necessary
   同義詞：vital
5. forming or having the nature of a turning point or crisis
   同義詞：decisive
6. being in or verging on a state of crisis or emergency
7. of or involving or characteristic of critics or criticism

字典網

詞型變化：

名詞:criticalness 副詞:critically

相關句子：

1. The reforms of enterprises are now at the critical moment.
   現在企業的改革正處在緊要關頭。
2. We have come to the critical moment.
   現在到了緊要關頭。
3. I think the chastisement to him is too critical.
   我認為對他的懲罰太嚴厲了。
4. The inquiry was critical of her work.
   該項調查對她的工作提出了批評。
5. Why are you always so critical?
   你怎么總是這樣吹毛求疵？
6. In the current critical climate her work is not popular.
   在當前評論風氣影響下，她的作品不怎么受歡迎。