1
to be at a loss how to continue an offensive;to be frustrated by impregnable defences
Other forms
攻め倦ねる 【せめあぐねる】 (rarely used kanji form)
1
to attack;to assault;to assail
彼は私にその問題をいかに攻めるべきかについて教えてくれた。
He enlightened me on how I should attack the subject.