危若朝露

wēiruòzhāolù
precarious as morning dew (idiom); unlikely to last out the day

CEDICT

Entry Composition

1 危 wēi
  1. danger
  2. to endanger
  3. Taiwan pr. wéi
2 若 ruò
  1. to seem
  2. like
  3. as
  4. if
3 朝露 zhāolù
  1. morning dew
  2. fig. precarious brevity of human life
  3. ephemeral