[pái chú]

exclude all possibility of doubt
排除一切懷疑的可能

remove an obstacle; clear away obstacle
排除障礙

eliminate interference from both the “Left” and Right
排除“左”的和右的干擾

The possibility of suicide was ruled out.
自殺的可能性已被排除。

Once you have eliminated the obvious causes of death, you must consider the possibility of foul play.
一旦排除了明顯的死因， 你就必須考慮到可能有人采取了卑劣手段。