問好

问好
wènhǎo
  1. to say hello to
  2. to send one's regards to

CEDICT

to send regards to someone; to say hello to; to inquire after

Wiktionary

問候人家是否安好，為常用的客套話。

重編國語辭典

Entry Composition

1 問 wèn to ask; to inquire
2 好 hǎo
  1. good
  2. appropriate; proper
  3. all right!
  4. (before a verb) easy to
  5. (before a verb) good to
  6. (before an adjective for exclamatory effect) so
  7. (verb complement indicating completion)
  8. (of two people) close; on intimate terms
  9. (after a personal pronoun) hello

Related entries

招呼 zhāohu
  1. to call out to
  2. to greet
  3. to say hello to
  4. to inform
  5. to take care of
  6. to take care that one does not
她招呼我进来。

She beckoned me to come in.

Source: Tatoeba