1.political opponent 政敌
例句:He was assailed by his political opponent.
他遭到政敌的攻击。
2.put back 推迟,放回原处
例句:News conferences due to be held by both men have been put back.
原定两个人共同举行的新闻发布会被推迟。
3.prime minister 首相
例句:He met with the Prime Minister of Japan for an hour and a half.
他和日本首相会晤了一个半小时。
4.feel obliged to 有必要做某事
例句:He felt obliged to answer his father's letter.
他感到不得不回他父亲的信。