无壳蜗牛

無殼蝸牛
wúkéwōniú
fig. people who cannot afford to buy their own house

CEDICT

Entry Composition

1 无 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
2 壳 ké
  1. (coll.) shell (of an egg, nut, crab etc)
  2. case; casing; housing (of a machine or device)
3 蜗牛 wōniú
  1. snail
  2. Taiwan pr. guāniú