危如累卵

wēirúlěiluǎn
  1. precarious as pile of eggs (idiom); ready to fall and break at any moment
  2. in a dangerous state

CEDICT

extremely dangerous; extremely precarious

Wiktionary

情况非常危险，像堆累的蛋，随时有跌破的可能

維基詞典

Entry Composition

1 危 wēi
  1. danger
  2. to endanger
  3. Taiwan pr. wéi
2 如 rú
  1. as
  2. as if
  3. such as
3 累卵 lěiluǎn
  1. (literary, figurative) delicate balancing act (precarious situation analogous to a leaning pile of eggs)
  2. delicate balancing act (precarious situation analogous to a leaning pile of eggs)