换油

換油
huànyóu
  1. (automotive) to change oil
  2. to change oil

Wiktionary

Entry Composition

1 换 huàn
  1. to exchange
  2. to change (clothes etc)
  3. to substitute
  4. to switch
  5. to convert (currency)
=2 油 yóu
  1. oil
  2. fat
  3. grease
  4. petroleum
  5. to apply tung oil, paint or varnish
  6. oily
  7. greasy
  8. glib
  9. cunning
=2 油 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of 釉 (yòu, “to glaze”)
  2. alternative form of 釉 (yòu, “to glaze”)
  3. used in 浩油