三言两语 in a few words ; Few words ; in one or two words

三亚宣言 Sanya Declaration

三言两语的 curt

巴厘协调一致第三宣言 (Bali Concord III)

三言堂设计 SYT DESIGN

澜湄合作首次领导人会议三亚宣言 the Sanya Declaration of the First Lancang-Mekong Cooperation Leaders’ Meeting

选言三段论 disjunctive syllogism

三种语言 the three languages ; three languages