black·ballBrE/ˈblækbɔːl/NAmE/ˈblækbɔːl/verbpresent simple - I / you / we / theyblackballBrE/ˈblækbɔːl/NAmE/ˈblækbɔːl/present simple - he / she / itblackballsBrE/ˈblækbɔːlz/NAmE/ˈblækbɔːlz/past simpleblackballedBrE/ˈblækbɔːld/NAmE/ˈblækbɔːld/past participleblackballedBrE/ˈblækbɔːld/NAmE/ˈblækbɔːld/ -ing formblackballingBrE/ˈblækbɔːlɪŋ/NAmE/ˈblækbɔːlɪŋ/~sbtopreventsbfromjoiningacluboragroupbyvotingagainstthem投票反对(某人加入俱乐部或团体)