require of sb.要求、命令某人……
rescue sb.from从……处、状况下营救某人
research into调查、探究……
reserve sth. for为……保存、储蓄……
reside at/in住在……
resign from辞去……职务
resign…to把……交付、托付给……
resign oneself to屈服于、陷入……
resolve sb.upon+v-ing(phr.)使某人决心做……
resort to 求助、凭借