remain active仍然活跃;
remain closed仍然未开放;
remain confused迷惑不解;
remain constant保持不变;
remain expressionless毫无表情;
remain hungry只好饿着;
remain linked还连在一起;
remain long保持得很久;
remain modest保持谦虚;
remain motionless仍然不动;
remain prudent保持谨慎;
remain silent保持沉默;
remain unchanged依然不变;
remain unconvinced仍然不相信;
remain unfinished仍然未完成;
remain unknown依旧不详;
remain unsettled仍然未解决