攻せめあぐねる

ichidan verb, transitive verb, intransitive verb

be at a loss how to continue an offensive; be frustrated by impregnable defenses

Describes a situation where an attacker cannot find a way to break through or continue the attack, often in military, sports, or metaphorical contexts.

• 敵てきの守まもりが固かたく、攻せめあぐねている。

  The enemy's defense is solid, and we are at a loss how to continue the attack.

• 彼かれは難なん問もんに攻せめあぐねて、しばらく考かんがえ込こんだ。

  He was frustrated by the difficult problem and pondered for a while.