主打

主打	zhǔ dǎ	principal; main; flagship (product); title (track) / to specialize in; to take as one's priority; to primarily focus on
主	zhǔ	owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)
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")