慣於

惯于
guànyú

to be used to; to be accustomed to

Wiktionary

Entry Composition

1 慣 guàn
  1. accustomed to
  2. used to
  3. indulge
  4. to spoil (a child)
=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
=2 於 Yū
  1. surname Yu
  2. Taiwan pr. Yú
=2 於 wū
  1. (literary) Oh!
  2. Ah!