危如朝露

wēirúzhāolù
precarious as the morning dew (idiom); fig. ephemeral and precarious nature of human existence

CEDICT

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 朝露 zhāolù
  1. morning dew
  2. fig. precarious brevity of human life
  3. ephemeral