观看暴力视频英语

watch a vedio

correct! also you can say: violence episode.

Violence lens

Watch video注：watch 英 [wɒtʃ] 美 [wɑ:tʃ] .vt. 注视，注意; 看守，监视; 守候（机会等）; 密切注意; n. 表; 值夜，值班; 看守，监视; 值班人员; vi. 观看; 注视; 守候; 看守; [例句]The man was standing in his doorway watching him.那个男人站在门口盯着他看。