瓶颈瓶頸 píng jǐng — neck of a bottle
píng (second tone, rising) jǐng (third tone, dipping)ping2 jing3
Traditional: 瓶頸
neck of a bottle
Levels 7–9· 2021 three-band, nine-level proficiency standardnoun
Meanings
neck of a bottle
neck of a bottle; (fig.) bottleneck; problem that impedes progress
noun