Word: 突破口 (tūpòkǒu) 突破口 dictionary entry tūpòkǒu breach; gap; breakthrough point Full dictionary entry for 突破口 Example sentences using 突破口 2 sentences, showing page 1 of 1. 敌人的防线被撕开了一个突破口。 Dírén de fángxiàn bèi sī kāile yí gè tūpòkǒu. A breach was torn open in the enemy's defensive line. 防线上出现了一个突破口。 Fángxiàn shàng chūxiànle yí gè tūpòkǒu. A gap has opened up in the line of defense.