突破瓶颈 tūpòpíngjǐng to make a breakthrough Origin Definitions Defs Strokes Stroke Words Sentences Sents 突破 tūpò verb surmount; exceed to break or exceed a limit, record, or barrier; to overcome an obstacle or deadlock瓶颈 瓶頸 píngjǐng bottleneck A critical point or factor that impedes development or progress