"build up power" is a grammatically correct phrase that can be used in written English.
It means to increase or strengthen one's power or influence. Example: As a leader, it is important to build up power gradually, rather than trying to gain it all at once through force or manipulation.
As Di Dongsheng of Renmin University in Beijing puts it in a chapter in another new book, "The Power of Currencies and Currencies of Power": "Great powers have great currencies, and a solid currency helps to build up power".
After a recent round of promotions, the leadership is fuller than ever with members of the Kim family and his father's inner circle, who now find their futures hitched to someone who needs to build up power and prestige in a hurry.
Western Europeans, jittery about growing dependence on Russia's Gazprom for natural gas, want to build up power companies of countervailing clout.
Target Zelda and wait till she starts to build up power in her sword.
If you want to build up power, follow these; Work at McSticks until you run out of time.
Matching colored disks builds up power reserves used to launch various spells to destroy icons or increase your attack power, with different colored reserves needed for different spells.
One of Canada's richest people, he built up Power Corp. from his family's one-route Ontario bus line over the last half century.
To counteract their power, he began to build up the power of various non-Turkish groups in his service, particularly those composed of Christian slaves and converts to Islam, whose military arm was organized into a new infantry organization called the Janissary (Yeniçeri; "New Force") corps.
Mr. Bush's blunders in Afghanistan followed decades of shortsighted American policies that built up the power of these warlords.
Whereas Mehmed II used the conquest of Constantinople to destroy the major Turkish notable families and build up the power of the devşirme, Murad sought only to establish a balance of power and function between the two groups so that he could use and control both for the benefit of the empire.
He says the government had to build up the power of the oligarchs as a counter-weight to the communists who did not want to part with power.
