Word: 攻关 (gōngguān) Traditional: 攻關 攻关 dictionary entry gōngguān to storm a strategic pass; fig. to tackle a key problem Full dictionary entry for 攻关 Example sentences using 攻关 2 sentences, showing page 1 of 1. 士兵们连夜向前面的关口攻关。 Shìbīngmen liányè xiàng qiánmiàn de guānkǒu gōngguān. The soldiers attacked the pass ahead through the night. 工程师们正在攻关这个难题。 Gōngchéngshīmen zhèngzài gōngguān zhège nántí. The engineers are tackling this tough problem.