tū​pò​kǒu HSK7

breach

突破口 tū​pò​kǒu
breach noun
an opening or gap made in a physical defense line or barrier

The assault team opened a breach in the enemy's line of defense.

breakthrough point noun
a key area or starting point where progress can be made in solving a problem or task

The police are trying to find a breakthrough in the case from these clues.

Frequency

Movie subtitles
1.70 per million appears in 1% of films
Written text
5.90 per million

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT