prerogative
n
right or privilege, esp one belonging to a particular person or group 权利; (尤指)特权
It is the Prime Minister's prerogative to decide when to call an election. 决定大选的日期是首相的职权.
A monarch has the prerogative of pardoning criminals. 君主享有对罪犯的赦免权.
the,royal prerogative, ie (in Britain), the (theoretical) right of the sovereign to act without the approval of Parliament 皇家的特权(在英国, 指国君名义上享有的不经议会认可而采取行动的权利).
On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.