four match four all  四合四统

four-energy-level laser (=four level laser)  四阶雷射

four-quadrant switches’ four-step commutation  双向开关四步换流

Four Clean-ups Campaign  (4,5-二氮杂-9-亚芴基)碳60; 如有人声称他─

four clean-ups movement  任何人─

four good model of Shaanxi apple  任何人不得─

Four Hand construction  任何人─

four in one construction  任何人均不得─

four mine problem  任何人─

Four plus Two work method  任何人如认为─

four qualities new generation  任何人─

four-in-one construction  巨款

four-in-one reform  任何准候选人─

One-two-two-four model  制造厂; 厂商; 制造者

twenty-four piety story  细胞内游离钙; 彩虹色

“Four coloured”garnished duck  自适应光学; 四色扒鸭

“Four delicacies”in chicken oil  鸡油四宝

“Four delicacies”soup  四宝汤

“four tubes”breakdown  四管爆漏