失慎

shīshèn
  1. (literary) to be incautious; to be careless
  2. (literary) to catch fire
  3. to be incautious; to be careless
  4. to catch fire

Wiktionary

Entry Composition

=1 失 shī
  1. to lose
  2. to miss
  3. to fail
=1 失 yì
  1. alternative form of 佚 (“to ignore; indulgent”)
  2. alternative form of 逸 (yì, “to flee; to run away”)
=2 慎 shèn
  1. careful
  2. cautious
=2 慎 shèn old variant of 慎 shèn