He should be. He is the Olympic and world record holder in the 400 meters freestyle.

他应该自信，因为他是400米自由泳的奥运纪录和世界纪不保持者。

youdao

The Moroccan 1500 metres runner Guerrouj is the world champion and record holder in this event. He won his event convincingly in a time of three minutes 30.23 seconds.

摩洛哥1500米长跑健将格罗伊是该项目的世锦赛冠军和世界纪录保持者，他以3分30秒23的成绩令人信服地拿下了冠军。

youdao

He is the current world record holder in the 100 and 200 LCM breaststroke, as well as in the 400 LCM and SCM medley relay.

他是目前100米和200米长池蛙泳世界记录保持者，也是400米接力长池和短池的世界纪录保持者。

youdao

He is also the former holder of the record for completing the seven highest peaks in the world in the fastest time - 32 days fewer than the previous record.

BBC: Irish climber Ian McKeever killed on Mount Kilimanjaro

Porter Hall, an Alabamian who has spent his life on the quest, is building a 25-acre lake in Mississippi, in which he plans to grow the next world record-holder.

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