n.[U]

1. 戰爭；交戰狀態
   The gesture was equivalent to a flag of truce in civilized warfare.

   這個手勢相當於文明戰爭中的停戰旗。

   the science of warfare

   軍事科學

2. 衝突；鬥爭；競爭
   wage warfare with natural calamities

   與自然災害作鬥爭

   He watched the canine warfare with the deepest interest.

   他極有興趣地觀看狗鬥。

n.