defend one´s championship (or title)
Gary Kasparov has retained his title as world chess champion.
加雷·卡斯帕罗夫卫冕了他国际象棋世界冠军的称号。
—— 柯林斯例句This will be his eighth title bout in 19 months.
这将是他19个月里的第8次卫冕赛。
—— 柯林斯例句His powerful serve was too much for the defending champion.
他的大力发球让卫冕冠军难以招架。
—— 柯林斯例句He will be partnered by Ian Baker, the defending champion.
他将和卫冕冠军伊恩·贝克搭档。
—— 柯林斯例句The defending world racing champion recorded the fastest time in a final practice today.
世界赛车卫冕冠军在今天最后的训练中创下了最快的纪录。
—— 柯林斯例句