英汉词典

1. 作战;战争
    Warfare is the activity of fighting a war.

    e.g. ...the threat of chemical warfare.
           化学战的威胁

2. 打架;冲突;斗争
    Warfare is sometimes used to refer to any violent struggle or conflict.

    e.g. Much of the violence is related to drugs and gang warfare...
           大多数暴力事件都与吸毒和群殴有关。
    e.g. At times party rivalries have broken out into open warfare.
           政党间的矛盾有时爆发为公开的冲突。