三來一補企業 "the enterprises that process raw materials on clients' demands, assemble parts for the clients and process according to the clients' samples; or engage in compensation trade."

三連冠 three successive championships

三連勝 hat-trick feat (Liu Xiang steals limelight after hat-trick feat at National Games. 劉翔全運會獲三連勝佳績，成媒體關注焦點。)

三 民 主 義 the Three People's Principles (Nat ionalism, Democracy and the People's Livelihood) put forward by Dr. Sun Yat-sen

三農問題 issues concerning agriculture, countryside and farmers

三陪 girls who provides illegal sexual services, esp. prostitute

三權分立 separation of the executive, legislat ive and judicial powers

三十而立 "A man should be independent at the age of thirty. / At thirty, a man should be able to think for himself." 三通 "three direct links of trade, mail, and air and shipping services across the Taiwan Straits

" 三通一平 "three supplies and one leveling; supply of water, electricity and road and leveled ground (conditions ready for further economic development)" 三網

融合 tri-networks integration (The much-anticipated tri-networks integration will cover China's urban areas in three years, five years at most, the Securities Daily reported Monday, cit ing an unnamed official with the Ministry of Industryand Information Technology (MIIT). 《證券日報》本周一援引工業和信息化部一位未透露姓名的官員的話說，備受期待的三網融合將在三至五年內覆蓋中國的城市地區。)

三維電影 three-dimensional movie

三維動畫片 three-dimensional animation

三無企業 "three-no-enterprises (It refers to enterprises with no capital, no plant,

and no administrative structure.)"

三峽工程 Three Gorges Project

三峽水利樞紐二期工程 the second phase of the key water control project at the Three Gorges on the Yangtze River

三下鄉 "a program under which officials, doctors, scientist and college students go to the countryside to spread scientific and literacy knowledge and offer medical service to farmers"

“三沿”開放(沿海、沿邊、沿江) "Sea-shore, River-shore, Border-shore" opening-up

散裝 load in bulk

三字經 three-character scripture

三資企業(中外合資企業,中外合作企業,外商獨資企業) "three kinds of foreign-invested enterprises or ventures: Sino-foreign joint ventures, cooperative businesses and exclusively foreign-owned enterprises in China "

三自原則 principles of self-administration, self-support and self-propagation

三等功 third-class merits