remain active仍然活躍;
remain closed仍然未開放;
remain confused迷惑不解;
remain constant保持不變;
remain expressionless毫無表情;
remain hungry只好餓著;
remain linked還連在一起;
remain long保持得很久;
remain modest保持謙虛;
remain motionless仍然不動;
remain prudent保持謹慎;
remain silent保持沉默;
remain unchanged依然不變;
remain unconvinced仍然不相信;
remain unfinished仍然未完成;
remain unknown依舊不詳;
remain unsettled仍然未解決