abstain
/əbˈsteɪn; əb`sten/ v [I, Ipr] ~ (from sth) 1 keep oneself from doing or enjoying sth, esp from taking alcoholic drinks; refrain 戒(尤指酒); 戒除. 2 decline to use one's vote 弃权(不投票): At the last election he abstained (from voting/the vote). 上次选举时他弃权了(没投票).