They 'struck a blow' for freedom and against tyranny. [=they did something that helped freedom and opposed tyranny]
She 'struck' the right note/tone with her speech. [=she said things in a way that appealed to her audience]
The doctor 'was struck off' for unethical practices. [=the doctor is no longer allowed to practice]
(..) - I wanted to be one of you. I wanted to join the Brotherhood but you sold me off. Like a slave. You know what she did to me? She struck me down on the bed, she stripped me naked... Sounds alright so far... And put leeches on me! - Was she naked too? - She needed your blood. (..)2017 TvShow: Game of Thrones Title: Beyond the Wall Season: 7 Episode 6