瓶頸

瓶颈
píngjǐng
  1. neck of a bottle
  2. (fig.) bottleneck
  3. problem that impedes progress

CEDICT

Entry Composition

=1 瓶 píng
  1. bottle
  2. vase
  3. pitcher
  4. classifier for wine and liquids

classifier: 個
=1 瓶 píng variant of 瓶 píng
2 頸 jǐng neck