1. She felt it was incumbent on herself to act immediately. 她感到立即采取行动是她义不容辞的责任。
2. Incumbent officeholders are difficult to defeat at the polls. 现任官员很难在选举中被击败。
3. The tight race is almost a duplicate of the elections in Georgia and South Dakota last month that pitted a Republican challenger against a Democratic incumbent. 这次紧张的竞选几乎是上个月在佐治亚州和南达科他州选举的翻版，由一个共和党的挑战者竞争一个现任的民主党人。
4. After the 2006 election, Sean Trende constructed a graph comparing the incumbent campaign spending advantages with their eventual margins of victory. 2006年大选后，肖恩•特伦德制作了一张图表，将现任总统的竞选开支优势与他们最终的获胜优势进行比较。
5. In the recent mayoral election in Kiev, candidate of Tymoshenko League lost to the incumbent, despite her insistence that "he is me without the plait". 在最近的基辅市市长选举中，季莫申科联盟的候选人输给了现任市长，尽管她一直强调“他就是没有辫子的我”。
