疏於

疏于
shūyú
  1. to fail to pay sufficient attention to
  2. to be negligent in regard to
  3. to be lacking in

CEDICT

to overlook; to neglect

Wiktionary

Entry Composition

=1 疏 shū variant of 疏 shū
=1 疏 shū
  1. to dredge
  2. to clear away obstruction
  3. thin
  4. sparse
  5. scanty
  6. distant (relation)
  7. not close
  8. to neglect
  9. negligent
  10. to present a memorial to the Emperor
  11. commentary
  12. annotation
2 於 yú
  1. (of time or place) in; at; on
  2. (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for
  3. (indicating a source) from; out of
  4. (used in comparison) than
  5. (used in the passive voice) by

Containing this entry

疏於防範 shūyúfángfàn
  1. to neglect to take precautions
  2. relaxed vigilance