verb, abbreviation, adjective, expression, measure word, directional, pronoun, adverb, punctuation · a semantically light verb used to perform various actions depending on the object (e.g., to make, to hold, to knit)

奶奶正坐在沙发上，专心地给孙子打毛衣。

verb, pronoun · to hit, strike, or fight

他因为太生气，用力地打了对方一下。

preposition, verb · a colloquial preposition meaning from or since

打那以后，他再也没来过。

measure word · a measure of twelve items (loanword from English)

我买了一打鸡蛋。

verb · to dig, excavate, or make a hole or tunnel through something.

工人们经过几个月的努力，终于把这条隧道打通了。

verb · to call or dial a telephone number or service line

发生火灾时，请立即拨打119。