打招呼

dǎzhāohū
  1. to give prior notice
  2. to greet (someone); to say hello

Wiktionary

Homographs

打招呼 dǎzhāohu
  1. to greet sb by word or action
  2. to give prior notice

Examples

五成熟牛排见了七成熟牛排为什么不打招呼？两个都不熟。

Why didn't the half-cooked steak say hello to the nearly-cooked steak when the two saw each other? They both weren't ready.

Source: Tatoeba

Entry Composition

=1 打 dá
  1. (loanword) dozen
  2. Taiwan pr. dǎ
=1 打 dǎ
  1. a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings (e.g. 打傘 dǎsǎn "to hold an umbrella", 打電話 dǎdiànhuà "to make a phone call", 打針 dǎzhēn "to get an injection", 打手套 dǎshǒutào "to knit gloves", 打氣 dǎqì "to inflate")
  2. to hit; to strike
  3. to fight
  4. (coll.) from; since (as in 打那以後 dǎnàyǐhòu "since then")
2 招呼 zhāohū
  1. to call; to shout to
  2. to greet
  3. to instruct; to notify; to tell
  4. to look after; to take care of; to care for; to attend to