打官司

打官司	dǎ guān si	to file a lawsuit / to sue / to dispute
打	dá	(loanword) dozen / Taiwan pr. [da3]
打	dǎ	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. 打伞 "to hold an umbrella", 打电话 "to make a phone call", 打针 "to get an injection", 打手套 "to knit gloves", 打气 "to inflate") / to hit; to strike / to fight / (coll.) from; since (as in 打那以后 "since then")
官	Guān	surname Guan
官	guān	government official / governmental / official / public / organ of the body / CL:个
官司	guān si	lawsuit / CL:场
司	Sī	surname Si
司	sī	to take charge of / to manage / department (under a ministry)