duel

名词 duel:

1. a prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor
   同义词：affaire d'honneur
2. any struggle between two skillful opponents (individuals or groups)

动词 duel:

1. fight a duel, as over one's honor or a woman

1. A challenge to a duel.
   挑战要求决斗
2. A duel or battle with firearms.
   枪战用火器进行的决斗或战斗
3. They are engaging in a duel of words.
   他们双方在斗嘴。
4. I challenge him to a duel.
   我向他挑战进行决斗。

du.el

n.（名词）
A prearranged, formal combat between two persons, usually fought to settle a point of honor.
决斗：预先安排的两人间正式格斗，一般是通过斗争解决关系到荣誉的某件事，某一点
A struggle for domination between two contending persons, groups, or ideas.
斗争：相互对抗的人们，团体或思想之间争夺统治地位的斗争
v.（动词）
du.eled 或 du.elled du.el.ing 或 du.el.ling du.els 或 du.els
v.tr.（及物动词）
To engage (another) in or as if in formal combat.
使（另一人）参加或好象参加决斗
To oppose actively and forcefully.
反对：积极而有力地反对
v.intr.（不及物动词）
To engage in or as if in formal combat.
参加或好象参加正式决斗

来源：
Middle English duelle
中古英语 duelle
from Medieval Latin duellum
源自 中世纪拉丁语 duellum
from Latin [war]
源自 拉丁语 [战争]
variant of bellum
bellum的变体

【引伸】
du.eler 或
du.elist
n.（名词）