1·The Frenchman held his own against the challenger.
那个法国人顶住了挑战者的攻击。
—— 《柯林斯英汉双解大词典》
2·The strongest challenger, Texas Democrat Martin Frost, has withdrawn from the race.
最强劲的挑战者，德克萨斯州的民主党人马丁·弗罗斯特已经退出了竞选。
—— 《柯林斯英汉双解大词典》
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。
—— 《柯林斯英汉双解大词典》
4·Scientists aboard the Glomar Challenger were the first to discover the existence of domelike masses underneath the seafloor.
“格罗玛·挑战者”号上的科学家是第一个发现海底下存在穹顶状物质的人。
5·Turbulent waters tore into the hardened salt flats, broke them up, and ground them into the pebbles observed in the first sample taken by the Challenger.
汹涌的海水冲进硬化的盐滩，把它们冲开，并将它们磨碎成卵石，这些卵石就是在“挑战者”号第一次取到的样本中观察到的卵石。