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To fail to meet a required or expected standard, level, or condition.
由于天气恶劣，飞机未达到起飞标准。
Due to severe weather, the plane did not meet takeoff standards.
这项政策的效果未达到预期。
The effects of this policy did not meet expectations.
Commonly used in formal contexts such as reports, regulations, or technical assessments.
In technical or scientific writing, '未达到' is often paired with specific metrics or thresholds, e.g., '未达到安全标准' (fail to meet safety standards).
Avoid using '未达到' in casual conversations. Use alternatives like '没达到' or '没实现' in informal settings.
The phrase combines '未' (not yet) and '达到' (reach/achieve), forming a compound verb phrase indicating failure to reach a desired state. '达到' derives from classical Chinese, where '达' means 'to reach' and '到' means 'to arrive'.
This phrase is typically used in written or formal contexts to indicate that a condition or requirement was not satisfied. It is less common in casual speech.