Definition
to eliminate the possibility of something occurring
防止；使…不可能
The doctor ruled out all potential diagnoses to identify the cause of the patient's condition.
醫生排除了所有可能的診斷，以確定病人病狀的原因。
We have ruled out the possibility of an accident, so further investigation is needed.
我們已經排除了事故的可能性，因此需要進一步調查。
Given the weather conditions, we ruled out the option of outdoor activities.
考慮到天氣狀況，我們排除了戶外活動的選項。
to eliminate the possibility of something occurring
杜絕；防止發生
During the discussion, we ruled out all impractical suggestions for the project.
在討論過程中，我們排除了所有不切實際的項目建議。
After the investigation, we ruled out this suspect as a possibility.
調查結束後，我們排除了這名嫌疑人的可能性。
Management has ruled out any further layoffs as a possibility.
管理層已排除了進一步裁員的可能性。