My gracious lord, you look beyond him quite: The prince but studies his companions Like a strange tongue, wherein, to gain the language, ’tis needful that the most immodest word Be look’d upon and learn’d; which once attain’d, Your highness knows, comes to no further use But to be known and hated.
There are no more uses of "attain" in the play.
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She was the first woman to attain the rank of general.
They hope to attain effective law and order in the region before withdrawing troops.