一いち二にを争あらそう

expression, godan verb (-u)

compete for first place; be one of the two best

Used when two entities are clearly the top contenders, vying for the number one spot. Often implies that the competition is between two outstanding rivals.

• この分ぶん野やでは、あの二に社しゃが一いち二にを争あらそっている。

  In this field, those two companies are competing for the top spot.

• 彼かれと彼かの女じょはクラスで一いち二にを争あらそう成せい績せきだ。

  He and she have the two best grades in the class.